The 40-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of 3.7 ft/sec down the incline at A and a velocity of 27.6 ft/sec at B, compute the work U; done on the crate by friction during the motion from A to B. 3.7 ft/sec 19' B 27.6 ft/sec 24'

The 40-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of 3.7 ft/sec down the incline at A and a velocity of 27.6 ft/sec at B, compute the work U; done on the crate by friction during the motion from A to B. 3.7 ft/sec 19' B 27.6 ft/sec 24'

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.28P: The man pushes the 120-lb homogeneous crate with the horizontal force P. Determine the largest...

See similar textbooks

Related questions

Q: Neglect friction of the 55-lbf collar against its vertical guide and compute the velocity of the…

Q: The 61-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

Q: 15-41. A 0.03-lb bullet traveling at 1300 ft/s strikes the 10-lb wooden block and exits the other…

A: The data given is, Weight of the bullet, W1 = 0.03 lb The initial speed of the bullet, u1 =1300…

Q: The 61-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

A: Givenm=61lbVA=6.8 ft/sVB=23.5 ft/s

Q: 15-102. The 800-lb roller-coaster car starts from rest on the track having the shape of a…

A: Given data: The weight of the roller coaster is, W=800 lb The radius is, r=8 ft The height is, h=8…

Q: The 250-lb concrete block A is released from rest in the position shown and pulls the 400-lb log up…

A: Draw the given figure,From the figure, VA=2VC aA=2ac Draw the free body…

Q: The 10-lb block A travels to the right at va= 2 ft/sec at the instant shown. If the coefficient pf…

Q: The 19-Mg truck hauls the 40-Mg trailer. If the unit starts from rest on a level road with a…

Q: The block of weight 8 Ib is released from rest at. and slides down the smooth circular surface AB.…

Q: Determine the speed v which the 630-kg four-man bobsled must have in order to negotiate the turn…

Q: Neglect friction of the 55-lbf collar against its vertical guide and compute the velocity of the…

A: Given: Mass of the collar (m)=55lbInitial velocity of the collar (V1)=22ft/secUnstretched length of…

Q: The 35-kg crate is subjected to a force inclined to 700 respect to vertical plane having a constant…

A: According to the given information, we know that the 35 kg crate is inclined to 70 with respect to…

Q: The 82-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

Q: The 69-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

Q: The 150-lb man lies against the cushion for which the coefficient of static friction is Hiy = 0.5.…

A: Given, W=150 lbμs=0.5v=30 ft/s

Q: The 15-Mg truck drives onto the 261-Mg barge from the dock at 18 km/h and brakes to stop on the…

Q: The 75-kg bike is resting on a horizontal surface for which the coefficient of kinetic friction is…

Q: The 40-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

A: GivenW=40 lb=4032.2=1.24kgvA=3.7 m/s2vB=27.6 ft/s

Q: Determine the weight of cylinder B which would cause block A to accelerate (a) 6.5 ft/sec? down the…

A: According to details provided in the question.we need to find out the weight of block B

Q: Determine the speed v which the 505-kg four-man bobsled must have in order to negotiate the turn…

Q: If the coefficient of kinetic friction between the150-Ib crate and the ground is uk = 0.2, determine…

Q: The 3000-lb car is traveling at 60 mi/hr on the p= 250' straight portion of the road, and then its…

A: Total distance travelled from A to C:SAC=100+250[30*π180]SAC=230.9 ftTangential…

Q: The 5-kg collar has a velocity of 7 m/s to the right when it is at A. It then travels along the…

Q: Determine the speed v which the 670-kg four-man bobsled must have in order to negotiate the turn…

A: Mass =670kg, Find, V and N

Q: If the 40kg box is moving with 1 m/s^2 acceleration to the right, determine the magnitude of normal…

A: Mass of box, m=40kg Acceleration of box, a=1 m/s2 Force, F=174N Kinetic friction, μ=0.3

Q: The collar has a mass of 2 kg and is attached to the light spring, which has a stiffness of 30 N∕m…

Q: The 3.5-Mg engine is suspended from a spreader beam AB having a negligible mass and is hoisted by a…

Q: The 89-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

Q: The 10-lb block A travels to the right at va = 2.7ft/s at the instant shown. If the coefficient of…

Q: The 97-N block B has a speed of v= 24 m/s when it is at the location shown. It slides on the incline…

Q: The snowmobile has a weight of 250-lb, centered at G1, while the rider has a weight of 145-lb at G2.…

Q: The 50-lb crate is subjected to the force F = 40 lb. The coefficient of kinetic friction between the…

Q: The motor winds in the cable with a constant acceleration, such that the 20kg crate…

A: Given question belongs to the subject Classical Mechanics and be solved using Newton's second law…

Q: The 2 kg collar is released from rest at A and slides down the inclined fixed rod in the vertical…

A: Given data Mass = 2kg Spring constant = 1.6 KN/m Coefficient of friction = 0.4 Compression of…

Q: Determine the speed v which the 685-kg four-man bobsled must have in order to negotiate the turn…

A: Given: m=685 Kg radius r=59 m

Q: The motor winds in the cable with a constant acceleration, such that the 20-kg crate moves a…

Q: The conveyor belt delivers each 12-kg crate to the ramp at A such that the crate’s speed is vA = 2.5…

Q: Q2: The 64.4-lb crate slides down the curved path in the vertical plane. If the crate has a velocity…

Q: The ice-hockey puck with a mass of 0.25 kg has a velocity of 10 m/s before being struck by the…

Q: A mass rolled over the conveyor belt onto the 300 ramp at A with a velocity of 0.8m/sec. the mass…

Q: The car has a mass of 2000kg. Determine the shortest time it takes for it to reach a speed of 90…

A: Given : The mass of car = 2000 kg The static coefficient of friction = 0.4 The kinematic coefficient…

Q: A smooth can C, having a mass of 5 kg, is lifted from a feed at A to a ramp at B by a rotating rod.…

Q: The 64.4-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of…

Q: Calculate the coefficient of kinetic friction between the block and the floor

A: Calculate the coefficient of kinetic friction between the block and the floor

Q: The athlete with a mass of 85 kg moves from point A with a velocity vA. The circular orbit it slides…

A: Given data: Mass of athlete, m=85 kg. Radius of circular orbit, r=4.9 m. Reaction on the athlete at…

Q: The 10-lb block A prevent the 20-lb B from falling as shown. If the coefficient of kinetic friction…

Q: 3. Determine the speed which the 630-kg four-man bobsled must have in order to negotiate the turn…

Q: The 150-lb man lies against the cushion for which the coefficient of static friction is µ̟ = 0.5. If…

Q: 3/148 The 1.5-kg slider C moves along the fixed rod under the action of the spring whose unstretched…

Q: *14-24. At a given instant the 10-lb block A is moving downward with a speed of 6 ft/s. Determine…

A: From above fig.

Concept explainers

Numerical Calculations

In the mid-20th century, the availability and the growth in power of digital computers led to the increase in the mathematical model in the field of engineering and science. The analysis of these detailed models needs to be increased.

Question

The final answer should be in three decimal places.

The 40-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of 3.7 ft/sec down the incline at.A and a
velocity of 27.6 ft/sec at B, compute the work U; done on the crate by friction during the motion from A to B.
3.7 ft/sec
19'
B 27.6 ft/sec
24'
Answer: Uf = i
ft-lb

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

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 coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a) Determine the force P required to pull the roller at a constant speed. (b) What force P would be needed to push the roller at a constant speed?
A brake mechanism is used to lower body A with a constant velocity of 3.0 m/s. The coefficient of friction between the brake and drum D is 0.40. Neglect the weight of the brake. Determine the mass of body A and the power dissipated by the brake. (hint: the normal force between the brake the and disk is not 1200 N)
The 20-N force makes the 5-kg block move to the right with a constant velocity of 2 m/s. Calculate the coefficient of kinetic friction between the block and the floor
The double inclined plane supports two blocks A and B, each having a weight of 7 lb as shown below. If the coefficient of kinetic friction between the blocks and the plane is 0.09, determine the acceleration of each block.
A man pushes the lawn mower at a steady speed with aforce P that is parallel to the incline. The mass of themower with attached grass bag is 50 kg with mass centerat G. If θ = 15°, determine the normal forces NB and NCunder each pair of wheels B and C. Neglect friction. (useg = 9.81 m/s2)NB =NC =
Neglect friction of the 55-lbf collar against its vertical guide and compute the velocity of the collar after it has fallen 7ft., starting from 22 ft/sec. in the position shown below. The unstretched length of the spring is 3ft. DON'T ROUND OFF IN THE SOLUTION. ROUND OFF ONLY IN THE FINAL ANSWER.
A man pushes the lawn mower at a steady speed with aforce P that is parallel to the incline. The mass of themower with attached grass bag is 50 kg with mass centerat G. If  = 15°, determine the normal forces NB and NCunder each pair of wheels B and C. Neglect friction. (useg = 9.81 m/s2)
The conveyor belt delivers each 12-kg crate to the ramp at A such that the crate’s speed is vA = 2.5 m>s,directed down along the ramp. If the coefficient of kinetic friction between each crate and the ramp is mk = 0.3,determine the smallest incline u of the ramp so that the crates will slide off and fall into the cart
The man is pedaling his bicycle at a constant speed up a slippery slope of 5%. The man and the bicycle have a total mass of 82 kg centered at G. If the rear wheel is about to slip, find the coefficient of friction u between the tire and the road. If the coefficient of friction were doubled, what friction force would act on the rear wheel? (Why can we neglect the friction under the front wheel?)
The crate has a weight of W = 350 lb, and the coefficients of static and kinetic friction are μs = 0.3 and μk = 0.2, respectively. Determine the friction force on the floor if θ = 47.4° and P = 105 lb.
The car has a mass of 2000kg. Determine the shortest time it takes for it to reach a speed of 90 km/hr, starting from rest, if the engine drives the front wheels, whereas the rear wheels are free rolling. The coefficient of friction between the wheels and road is s=0.4, k=0.3. Neglect the mass of the wheels. What are the reactions at the front and rear wheels while the car is accelerating
Neglect friction of the 55-lbf collar against its vertical guide and compute the velocity of the collar after it has fallen 7ft., starting from 22 ft/sec. in the position shown below. The unstretched length of the spring is 3ft. compute the velocity of the collar after it has fallen 7ft., starting from 22 ft/sec. in the position shown below. DO NOT ROUND OFF IN THE SOLUTION. ROUND OFF ONLY IN 2 DECIMAL PLACE IN THE FINAL ANSWER