I’m really stuck here please can you help me with a clear explanation thanks PivotpointLARodA massless rigid rod of length L has a ball of mass m attached toone end. The other end is pivoted in such a way that the ball willmove in a vertical circle. First, assume that there is no friction atthe pivot. The system is launched downward from the horizontalposition A with initial speed vo. The ball just barely reaches pointD and then stops.NOTE: Express your answers in terms of the L, m, and g.(a) Determine an expression for vo.V2 glMacBook Pro232$&*2478WY* 00< COLL (a) Determine an expression for vo.vo = V2 gl.(b) What is the tension in the rod when the ball passes through B?Tension5 g m(c) A little grit is placed on the pivot to increase the friction there.Then the ball just barely reaches C when launched from A withthe same speed as before. What is the decrease in the mechanicalenergy during this motion?AEmech-(m g l)(d) What is the decrease in the mechanical energy by thetime the ball finally comes to rest atB after several oscillations?AEmech = 2 m glMacBook Pro232$&78WY< cOR

this question about find the tension in rod due to centripetal force. atthe point A initial speed is…

Answered: b) What is the tension in the rod when…

Science

Physics

b) What is the tension in the rod when the ball passes through B? Tension = 5g m %3D

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 28CQ: While driving his motorcycle at highway speed, a physics student notices that pulling back lightly...

See similar textbooks

Related questions

Q: Sketch the free-body diagram of rod DBE.

A: Draw the free-body diagram of the rod DBE.

Q: 4) The following trig function models the position of a rung on a waterwheel: y = -20sin( t)+ 16…

Q: Determine the magnitude of the pin force at B.

A: Draw the forces exerted on each joint. Take moment about point A in element OA.…

Q: Two mass are connected to each with a r having a radius of 30.0 cm and an unkno the edge of the…

A: The mass m1 = 60 kg The mass m2 = 40 kg The radius of the pulley r = 30.0 cm = 0.30 m The…

Q: The arm in figure P8.7 weighs F = 41.5 N. The weight of the arm acts through point A as %3D shown.…

A: Given:

Q: At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: Given, at an amusement park, there is a ride in which cylindrically shaped chambers spin around a…

Q: F=150 N 30 -Р 200 N 35

A: Calculate the angle, θ2, between the positive x axis and the force F=150 N. θ2=90°+θ=90°+30°=120°…

Q: m a lets say we have a particle of mass (m). we would have to find the force of it. lets say this…

A: Given, Particle of mass = m distance from washer = a Mass of washer = ,M Inner radius of washer = Ri…

Q: . A lead cube has a total mass of 50 kg. What is the length of the side? With sketch of multiple…

A: The given data are, Mass of lead cube = 50kg specific gravity of lead = 11.3 specific gravity =…

Q: 3. A roller of weight 500 N has a radius of 120 mm and is pulled over a step of height 60 mm by a…

Q: 3- [Â, § +°C] = [Â‚ B] + [Â, C] [Â, B] [Â‚Ĉ] %3D

Q: A bucket of water of mass 20.6 kg is suspended by a rope wrapped around a windlass (a solid…

Q: At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: Given data: Speed (v) = 3.06 m/s Mass (m) = 71.1 kg Force (F) = 250 N Required: Radius of the…

Q: Assume a certain liquid, with density 1 230 kg/m3, exerts no friction force on spherical objects. A…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: Problem 2: The upper leg muscle (quadriceps) exerts a force of FQ = 1100 N, which is ied by a tendon…

A: Given data as per question force FQ = 1100N

Q: A proton is accelerated in a cyclotron to 5.0 × 106 m/s in 0.01 s. The proton follows a circular…

Q: At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: Write the expression for the radial acceleration. But according to Newton’s second law.

Q: FA 30 B FB = 800 N Suppose that FA = 790 N and 0 = 45° . (Figure 1) %3D Determine the magnitude of…

Q: You also arrested me on the suspicion of art theft. I profess innocence, claiming that I forged a…

A: Given: Height of ramp h = 0.5m Radius of egg r = 9mm Mass of egg m= 400g Velocity at bottom v =…

Q: A 59.0-kg ice skater is moving at 4.02 m/s when she grabs the loose end of a rope, the opposite end…

Q: At an amusement park there is a ride in which cylindrically shaped chambers spin around a central…

A: When any object moves in a circular path a force acts on it towards the centre, it is called…

Q: A rope is wrapped around a pulley which is best modeled as a ring. Ithas a mass M and radius R. The…

Q: 2. Use Hamilton's principle to find the motion of a solid cylinder rolling down an inclined plane of…

Q: Example A raindrop with radius R= 1.5 mm falls from a cloud that is at height h = 1200 m above the…

A: Please see the answer in step 2

Q: 1. According to Right Hand Thumb Rule, which of the following is correct: b) a) c) d)

A: Right Hand Thumb Rule: When we hold the conductor in our right hand. Thumb points in the direction…

Q: 1. What physical quantity determines the numeric value tga graph of dependense of the angle of…

Q: Three forces are applied to a tree sapling, as shown in (Figure 1) , to stabilize it. Suppose that…

A: Given:- Three forces are applied to tree slapping The force FA = 325 N FB = 505 N Find:- a)…

Q: Players use spin in ball plays like tennis, golf etc. As the ball moves the spin rate will decrease.…

Q: Red light, green light was played by the doll named Mugunghwa in the Squid Game series. In the game,…

A: Given information:- mass of doll m = 150 kg…

Q: Electric Drill. According to the shop manual, when drilling an 11.5-mm diameter hole in wood,…

A: Given , the diameter of drill bit, d = 11.5 mm = 0.0115m

Q: 12. An athlete stretches his Achilles tendon by extending one leg behind him with his heel on the…

A: According to Newton's second law of motion , the net force acting on an object is defined as the…

Q: Problem 9: A thin cylindrical ring starts from rest at a height h, = 75 m. The ring has a radius R =…

A: In this question we are given that a thin cylindrical ring starts from rest at a height h1 = 75 m.…

Q: A slender rod with length L has a mass per unit length that varies with distance from the left-hand…

A: (a) Total mass of the rod m=γL22 (b) moment of inertia i=ML22 (c) moment of inertia at the right…

Q: Question (5): A uniform quarter circular bar of weight W and radius r=20 cm is attached to a pin at…

Q: 11. A uniform bar AB is placed asymmetrically on two identical wedges P and Q that can slide on a…

A: Given : A uniform bar AB is placed asymmetrically on two identical wedges P and Q Coefficient of…

Q: Problem 9: A thin cylindrical ring starts from rest at a height h, = 75 m. The ring has a radius R =…

Q: PROBLEM 3. Rod XY and smooth surface O hold the 1600-N cylinder in equilibrium as shown. Find the…

Q: The force P= 450 N is shown in the figure. What is the X-component of PIn Newton? b. 1. a. What is…

A: Given: P = 450 N

Q: what is the force of the rod in kN? determine the magnitude of W in kN so that the rod will be…

A: Given :- Weights of two wheels are given Let weight of wheel A = W kN Weight of wheel B = 40 kN…

Q: 3. A solid sphere, solid cylinder and a cylindrical shell all have the same mass, m and radius R. If…

Q: 70° 30° 45° F1 = 300 N F = 500 N v

Q: Dima pulls directly backward with a force F = 137 N on the end of a 2.00 m-long oar. The oar pivots…

A: Force , F = 137 N Distance , D = 2 m Angle = 30° To find = Torque

Concept explainers

Rotational Equilibrium And Rotational Dynamics

In physics, the state of balance between the forces and the dynamics of motion is called the equilibrium state. The balance between various forces acting on a system in a rotational motion is called rotational equilibrium or rotational dynamics.

Equilibrium of Forces

The tension created on one body during push or pull is known as force.

Question

I’m really stuck here please can you help me with a clear explanation thanks

Pivot
point
L
A
Rod
A massless rigid rod of length L has a ball of mass m attached to
one end. The other end is pivoted in such a way that the ball will
move in a vertical circle. First, assume that there is no friction at
the pivot. The system is launched downward from the horizontal
position A with initial speed vo. The ball just barely reaches point
D and then stops.
NOTE: Express your answers in terms of the L, m, and g.
(a) Determine an expression for vo.
V2 gl
MacBook Pro
23
2$
&
*
2
4
7
8
W
Y
* 00
< CO
LL

(a) Determine an expression for vo.
vo = V2 gl.
(b) What is the tension in the rod when the ball passes through B?
Tension
5 g m
(c) A little grit is placed on the pivot to increase the friction there.
Then the ball just barely reaches C when launched from A with
the same speed as before. What is the decrease in the mechanical
energy during this motion?
AEmech
-(m g l)
(d) What is the decrease in the mechanical energy by the
time the ball finally comes to rest atB after several oscillations?
AEmech = 2 m gl
MacBook Pro
23
2$
&
7
8
W
Y
< cO
R

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

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, physics and related others by exploring similar questions and additional content below.

Similar questions

A 2.97 gram fine is placed 0.10 m from the centre of a rotating disc. The coefficient of static friction between the fine and the disc is 0.28. What is the maximum speed of rotation, ( at the position of the dime), that the disc can rotate without sliding off?
A road with a radius of 75.0 m is banked so that a car can navigate the curve at a speed of 16.8 m/s without any friction. When a car is going 36.8 m/s on this curve, what minimum coefficient of static friction is needed if the car is to navigate the curve without slipping?
At the local playground, a 21-kg child sits on the right end ofa horizontal teeter-totter, 1.8 m from the pivot point. On the leftside of the pivot an adult pushes straight down on the teeter-totterwith a force of 151 N. In which direction (clockwise or counterclockwise) does the teeter-totter rotate if the adult applies the forceat a distance of (a) 3.0 m, (b) 2.5 m, or (c) 2.0 m from the pivot?
A man stands on a merry-go-round that is rotating at 2.13 rad/s. If the coefficient of static friction between the man's shoes and the merry-go-round is ?s = 0.63, how far from the axis of rotation can he stand without sliding? (Enter the maximum distance in meters.) m
A 4.00 kg block is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended as shown in (Figure 1) and the tension in the upper string is 90.0 N. I solved the lower cord to equal 41N What is the speed of the block?
A horizontal turntable is rotating once every 2.5 seconds. The largest distance that the penny cna be from the center without sliding is 0.32 m. What is the coefficent of static friction between the disk and the penny?
In an amusement park ride called ‘The Roundup’, passengers stand inside a 18-m diameter rotating ring. After thering has acquired its final speed of 14 rpm’s, it tilts into a vertical plane. Whatweight does the rider feel at the top and bottomif they have a weight of 830 N?
It is known that an aluminum bar breaks when it is subjected to a 25kN traction. One end of the bar is attached to a motor and the other to a steel ball with a mass of 55 kg. When the motor is started, the ball describes a horizontal circumference with a radius5.0 m. If the engine speed is gradually increased, its rotation period gradually decreases as well. For what period of engine rotation does the bar break? Suppose the mass of the bar is negligible compared to themass of the sphere and give your answer with 2 decimal places.
A steel beam is rotating in a horizontal plane to provide the centripetal acceleration for training pilots. The pilot sits 2.81 m from the center of rotation. If the pilot experiences 3.49E3N of force as he revolves with tangible velocity of 10.6 m/s, what is the pilots mass?
A ferris wheel with a 20 m radius and tangential speed of 4 m/s has all 70 kg of your ridingit. How big is the normal force exerted on you at a) the top b) the bottom?
The wheels,axle, and handles of a wheelbarrow weigh W=56N. The load chamber and it’s contents weigh WL=635N.the drawing shows these two forces in two different wheelbarrow designs. To support the wheelbarrow in equilibrium, the man’s hands apply a force to the handles that is directed vertically upward.consider a rotational axis at the point where the tire contacts the ground, directed perpendicular to the plane of the paper.find the magnitude of the man’s force for both designs.
What are the three reasons not to include such an outward force, called centrifugal force?