An object is subjected to a friction force with magnitude 6.60 N, which acts against the object's velocity. What is the work (in J) needed to move the object at constant speed for the following routes? y (m) B (5.00, 5.00) x (m) A (a) the purple path O to A followed by a return purple path to O (b) the purple path O to C followed by a return blue path to o (c) the blue path O to C followed by a return blue path to O (d) Each of your three answers should be nonzero. What is the significance of this observation? O The force of friction is a conservative force. O The force of friction is a nonconservative force.

An object is subjected to a friction force with magnitude 6.60 N, which acts against the object's velocity. What is the work (in J) needed to move the object at constant speed for the following routes? y (m) B (5.00, 5.00) x (m) A (a) the purple path O to A followed by a return purple path to O (b) the purple path O to C followed by a return blue path to o (c) the blue path O to C followed by a return blue path to O (d) Each of your three answers should be nonzero. What is the significance of this observation? O The force of friction is a conservative force. O The force of friction is a nonconservative force.

Name: An object is subjected to a friction force with magnitude 6.60 N, whi
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: An object is subjected to a friction force with magnitude 6.60 N, which acts against the object's velocity. What is the work (in J) needed to move the object at constant speedfor the following routes?у (m)В(5.00, 5.00)x (m)A(a) the purple path O to

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 45P

See similar textbooks

Similar questions

As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to build and use a staircase instead. Since the work of the gravitational force mg is path Independent, what did the King of the Apes gain in using stairs?
(a) A force F=(4xi+3yj), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction from the origin to x = 5.00 m. Find the work W=Fdr done by the force on the object. (b) What If? Find the work W=Fdr done by the force on the object if it moves from the origin to (5.00 m, 5.00 m) along a straightline path making an angle of 45.0 with the positive x axis. Is the work done by this force dependent on the path taken between the initial and final points?
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance?
A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0° below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by the gravitational force? (c) What is the work done on the cart by the shopper? (d) Find the force the shopper exerts, using energy considerations. (e) What is the total work done on the cart?
A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
A force F=(4xi+3yj), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction from the origin to x = 5.00 m. Find the work W=Fdr done by the force on the object.
In a Coyote/Road Runner cartoon clip (https://openstaxcollege.org/l/21coyroadcarcl), a spring expands quickly and sends the coyote into a rock. If the spring extended 5 m and sent the coyote of mass 20 kg to a speed of 15 m/s, (a) what is the spring constant of this spring? (b) If the coyote were sent vertically into the air with the energy given to him by the spring, how high could he go if there were no non-conservative forces?
Consider a particle on which several forces act, one of which is known to be constant in time: . As a result, the particle moves along the x-axis from x=0 to x=5 m and then parallel to the y-axis from y=0 to y=6 m. What is the work done by ?
A mysterious constant force of 10 N acts horizontally on everything. The direction of the force is found to be always pointed toward a wall in a big hall. Find the potential energy of a particle due to this force when it is at a distance x from the wall, assuming the potential energy at the wall to be zero.
The force acting on a panicle varies as shown in Figure la P7.14. Find the work done by the force on the particle as it moves (a) from x = 0 to x = 8.00 m. (b) from x = 8.00 m to x = 10.0 m, and (c) from x = 0 to x = 10.0 m.
a shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25 below the horizontal. The force is just sufficient to overcome various frictional forces, so the cart moves at constant speed, (a) Find the work done by the shopper as she moves down a 50.0-m length aisle, (b) What is the net work done on the cart? Why? (c) The shopper goes down the next aisle, pushing horizontally and maintaining the same speed as before. If the work done by frictional forces doesnt change, would the shoppers applied force be larger, smaller, or the same? What about the work done on the cart by the shopper?
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.