EP ENGR.MECH.:DYNAMICS-REV.MOD.MAS.ACC.
14th Edition
ISBN: 9780133976588
Author: HIBBELER
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 14.5, Problem 65P
If a force F = (60t2) N, where t is in seconds, is applied to the cable, determine the power developed by the force when t = 5 s. Hint. First determine the time needed for the force to cause motion.
Expert Solution & Answer
Learn your wayIncludes step-by-step video
schedule07:25
Students have asked these similar questions
Q5:The wrench is subjected to the 200 N force and the force P. If the equivalent of the two forces is a
force R at O and a couple M-30 kN.m. Determine the P and R.
200 N
Use the curve to determine the current the motor/gearmotor will draw while lifting the 0.5 kg mass.
A mass that weighs 8 lb stretches a spring 24 inches. The system is
acted on by an external force of 4 sin(4t) lb. If the mass is pulled
down 6 inches and then released, determine the position of the mass
at any time t. Assume that the u-axis is directed downwards and
ft
=
g 32 Express your answer as a linear combination of sin(at)
$²
and cos(at), where u is in feet and t is in seconds.
u(t)
=
Determine the first four times at which the velocity of the mass is
zero. Exclude t = 0 as trivial, and enter exact answers.
First zero: t =
Third zero: t
=
Second zero: t
=
Fourth zero: t =
Chapter 14 Solutions
EP ENGR.MECH.:DYNAMICS-REV.MOD.MAS.ACC.
Ch. 14.3 - Determine the work of the force when it displaces...Ch. 14.3 - Determine the kinetic energy of the 10-kg block.Ch. 14.3 - The spring is placed between the wall and the...Ch. 14.3 - If the motor exerts a constant force of 300 N on...Ch. 14.3 - The crate is initially at rest on the ground.Ch. 14.3 - If the drag force of the parachute can be...Ch. 14.3 - When s = 0.5 m, the spring is unstretched and the...Ch. 14.3 - The 5-lb collar is pulled by a cord that passes...Ch. 14.3 - The 20-kg crate is subjected to a force having a...Ch. 14.3 - If the relation between the force and deflection...
Ch. 14.3 - If it is originally at rest, determine the...Ch. 14.3 - If it is originally at rest, determine the...Ch. 14.3 - Determine the required height h of the roller...Ch. 14.3 - How far will the truck skid if it is traveling 80...Ch. 14.3 - Show that this is so, by considering the 10-kg...Ch. 14.3 - A force of F = 250 N is applied to the end at B....Ch. 14.3 - If the block has a mass of 20 kg and is suspended...Ch. 14.3 - Determine how far the block must slide before its...Ch. 14.3 - If the 6-kg collar is orginally at rest, determine...Ch. 14.3 - Select the proper value of k so that the maximum...Ch. 14.3 - Determine the speed of the brick just before it...Ch. 14.3 - Determine the speed of block A after it moves 5 ft...Ch. 14.3 - If the kinetic coefficient of friction between the...Ch. 14.3 - Determine the angle at which the box leaves the...Ch. 14.3 - If the cord is subjected to a constant force of F=...Ch. 14.3 - Determine the maximum distance A will fall before...Ch. 14.3 - If the cord is subjected to a constant force of F=...Ch. 14.3 - The barrier stopping force is measured versus the...Ch. 14.3 - The coefficient of kinetic friction between both...Ch. 14.3 - If the coefficient of kinetic friction between the...Ch. 14.3 - The 8-Kg block is moving with an initial speed of...Ch. 14.3 - At a given instant the 10-lb block A is moving...Ch. 14.3 - The 5-lb cylinder is falling from A with a speed...Ch. 14.3 - The propelling action is obtained by drawing the...Ch. 14.3 - By design the car cannot fall off the track,...Ch. 14.3 - If the coefficient of kinetic friction along AB is...Ch. 14.3 - Prob. 29PCh. 14.3 - If the can is prevented from moving, determine the...Ch. 14.3 - Determine the placement R of the can from the end...Ch. 14.3 - If it starts from rest when the attached spring is...Ch. 14.3 - Neglect the size of the block.Ch. 14.3 - As shown, the spring is confined by the plate P...Ch. 14.3 - Determine his speed when he reaches point B on the...Ch. 14.3 - As shown, it is confined by the plate and wall...Ch. 14.3 - If the track is to be designed so that the...Ch. 14.3 - Neglect friction.Ch. 14.3 - Neglect friction and the size of the pulley.Ch. 14.3 - Neglect friction and the size of the pulley.Ch. 14.3 - An elastic cord having a stiffness k = 2 lb/ft is...Ch. 14.4 - In initially, the block is at rest.Ch. 14.4 - When s = 0, the 20-kg block is moving at v = 1...Ch. 14.4 - The load weighs 100 lb and the efficiency of the...Ch. 14.4 - If the block is traveling up the inclined plane...Ch. 14.4 - determine the power input to the motor, which...Ch. 14.4 - which is increasing at a rate of aP = 6 m/s2....Ch. 14.4 - Assuming the wheels do not slip on the ground,...Ch. 14.4 - Determine the power Input for a motor necessary to...Ch. 14.4 - If mechanical friction and wind resistance are...Ch. 14.4 - manufactures a turbojet engine that is placed in a...Ch. 14.4 - If the car is brought to a stop, determine how...Ch. 14.4 - If the steps are 125 mm high and 250 mm in length,...Ch. 14.4 - Determine the power generated. How long would a...Ch. 14.4 - Determine the maximum power that must be supplied...Ch. 14.4 - The cable is tied to the top of the oil rig, wraps...Ch. 14.4 - The motor has an efficiency of = 0.65.Ch. 14.4 - The 50-lb crate is given a speed of 10ft/s in t =...Ch. 14.4 - The engine has a running efficiency = 0.68.Ch. 14.4 - If the drag resistance on the car due to the wind...Ch. 14.4 - Hoisting is provided by the motor M and the 60-kg...Ch. 14.4 - If the rod is smooth, determine the power...Ch. 14.4 - Determine the power developed by the power...Ch. 14.4 - A force F = (40 + s2) lb, where sis in ft, acts on...Ch. 14.4 - If the steps are 125 mm high and 250 mm in length,...Ch. 14.4 - If the escalator in Prob.14-46 is not moving,...Ch. 14.4 - Neglect drag and rolling resistance, and the loss...Ch. 14.4 - Also, the velocity of the athletes arm acting in...Ch. 14.4 - Prob. 63PCh. 14.4 - If the motor draws in the cable at a constant rate...Ch. 14.5 - If a force F = (60t2) N, where t is in seconds, is...Ch. 14.5 - Determine the potential energy of the block that...Ch. 14.5 - Determine the potential energy in the spring that...Ch. 14.5 - The 2-kg pendulum bob is released from rest when...Ch. 14.5 - The 2-kg package leaves the conveyor belt at A...Ch. 14.5 - The 2-kg collar is given a downward velocity of 4...Ch. 14.5 - Determine the speed of the collar when it strikes...Ch. 14.5 - Determine the compression of each spring when the...Ch. 14.5 - If the guide rod is smooth, determine the speed of...Ch. 14.5 - If she is swinging to a maximum height defined by ...Ch. 14.5 - If it is then released, determine the maximum...Ch. 14.5 - Determine the speed of the collar when it reaches...Ch. 14.5 - Determine its speed when its center reaches point...Ch. 14.5 - If it is released from rest when = 0, determine...Ch. 14.5 - If the car is released from rest, determine its...Ch. 14.5 - Prob. 72PCh. 14.5 - If it is released from rest at the top of the hill...Ch. 14.5 - Determine the speed of each block when B descends...Ch. 14.5 - Determine the distance B must descend in order for...Ch. 14.5 - The spring has a stiffness k =50 N/m and an...Ch. 14.5 - Neglect friction.Ch. 14.5 - If it is attached to the 3-kg smooth collar and...Ch. 14.5 - Prob. 79PCh. 14.5 - If the arm is pulled back such that s = 100 mm and...Ch. 14.5 - If the arm is pulled back such that s = 100 mm and...Ch. 14.5 - For the calculation, locate the datum at r . Also,...Ch. 14.5 - Prob. 83PCh. 14.5 - The spring has an unstretched length of 1 m.Ch. 14.5 - A 60-kg satellite travels in free flight along an...Ch. 14.5 - If friction and air resistance can be neglected,...Ch. 14.5 - If the mass of the bumpers A and B can be...Ch. 14.5 - If the collar moves over the smooth rod, determine...Ch. 14.5 - When the 6-kg box reaches point A it has a speed...Ch. 14.5 - Determine the normal force the box exerts on the...Ch. 14.5 - Determine how high the box reaches up the surface...Ch. 14.5 - Determine the cars velocity and the normal force...Ch. 14.5 - The 10-kg sphere C is released from rest when =...Ch. 14.5 - If the chain is released from rest from the...Ch. 14.5 - Each spring has a stiffness k = 40 N/m and an...Ch. 14.5 - Prob. 96PCh. 14.5 - Initially each spring has a tension of 50 NCh. 14.5 - Determine the approximate normal force it exerts...Ch. 14.5 - If a 150-lb crate is released from rest at A,...Ch. 14.5 - During the motion, the collar is acted upon by a...Ch. 14.5 - Determine the speed at which it slides off at B....Ch. 14.5 - If the block starts from rest when the attached...Ch. 14.5 - Prob. 5RPCh. 14.5 - The motor has an efficiency of = 0.76.Ch. 14.5 - If the collar is released from rest at A and...Ch. 14.5 - respectively. They are connected together by a...
Additional Engineering Textbook Solutions
Find more solutions based on key concepts
What parts are included in the vehicle chassis?
Automotive Technology: Principles, Diagnosis, and Service (5th Edition)
The two aluminum rods AB and AC have diameters of 10 mm and 8 mm, respectively. Determine the largest vertical ...
Mechanics of Materials (10th Edition)
Then establish the triangle rule, where FR = F1 + F2. Label all known and unknown sides and internal angles. Pr...
INTERNATIONAL EDITION---Engineering Mechanics: Statics, 14th edition (SI unit)
What parts are included in the vehicle chassis?
Automotive Technology: Principles, Diagnosis, And Service (6th Edition) (halderman Automotive Series)
Comprehension Check 7-1
Express the following values using an appropriate Sl prefix such that there are only on...
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
ICA 17-24
The decay of a radioactive isotope can be theoretically modeled with the following equation, where C0...
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- The chain OA is 25 ft long and weighs 5 lb/ft. Find the maximum force in the chain and the distance H.arrow_forward4- Given that the velocity of a particle varies with the displacement x according to the equation i = bx-3 where b is positive constant, find the force acting on the particle as a function of x.arrow_forwardCable S is tethered to the roadway at angle θ = 57.0 ∘ . Find the change in the length of cable S when the tractor trailer causes the roadway to drop 0.4 cm . Assume that cable S remains tethered to the roadway at angle 57.0 ∘ .arrow_forward
- Four forces are exerted on the eyebolt as shown. If the net effect on the bolt is a direct pull of 725 lb in the y-direction, determine the necessary values of T and 0. Assume F₁ = 365 lb, F2 = 270 lb, F3 = 430 lb, p = 32% T 2 F₁ F₂arrow_forwardIn the following system determine the tension in cable A if it is known that W=100 N 53°arrow_forwardThe winch takes in cable at the constant rate of 105 mm/s. If the cylinder mass is 105 kg, determine the tension in cable 1. Neglect all friction. 2 1 105 kgarrow_forward
- Q1:- Determine the maximum mass of the lamp that the cord system can support so that no single cord develops a tension exceeding 600 N. A E 5 C D 30° B 45° Farrow_forwardA truck of mass 6 tonnes was moving with a velocity of 145 km/hr. The brakes were applied to bring the truck to 40 km/hr in 750 m. Determine the uniform force exerted by the brakes. Also find the velocity it will reach if the same force is applied in the same direction for 8 seconds and also find the distance travelled in this period. The uniform force exerted by the brakes in N is The velocity it will reach if the same force is applied in the same direction for 8 seconds in m/s is The distance travelled if the same force is applied in the same direction in this period in m isarrow_forwardDetermine the distance travelled by the slider when the given force (F=2kN) pushes the slider that makes the crank rotate at angles: 70 degrees 80 degrees 90 degrees Please draw alsoarrow_forward
- Determine the distance travelled by the slider when the given force (F=2kN) pushes the slider that makes the crank rotate at angles: 70 degrees 80 degrees 90 degreesarrow_forwardThe spur gear is subjected to the two forces caused by contact with other gears. If F1 = 50 lb, determine the following: 1.1 The Cartesian Vector Form of the force F1 is F1 = {14.0 j – Blank 1 k} lb. 1.2 The Cartesian Vector Form of the force F2 is F2 = {90.0 i – Blank 2 j + 90.0 k} lb. 1.3 The spur gear is subjected to the two forces caused by contact with other gears. Determine the resultant of the two forces, in lb, if F1 = 55.1 lb.arrow_forwardA truck of mass 3 tonnes was moving with a velocity of 140 km/hr. The brakes were applied to bring the truck to 20 km/hr in 10 seconds . Determine the uniform force exerted by the brakes. Also find the velocity it will reach if the same force is applied in the same direction for 600 m and also find the time taken. The uniform force exerted by the brakes in N is The velocity it will reach if the same force is applied in the same direction for 600 m in m/s is The time taken if the same force is applied in the same direction in seconds isarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L
International Edition---engineering Mechanics: St...
Mechanical Engineering
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:CENGAGE L
Work, Energy, and Power: Crash Course Physics #9; Author: CrashCourse;https://www.youtube.com/watch?v=w4QFJb9a8vo;License: Standard YouTube License, CC-BY
Different Forms Of Energy | Physics; Author: Manocha Academy;https://www.youtube.com/watch?v=XiNx7YBnM-s;License: Standard Youtube License