KTMVK In the diagram, the angle of the incline is 0 = 24°. Although a 37_N horizontal force is applied to the box, it is not enough to prevent the box from sliding down the 12 m incline. What is the work done by this force? If the mass of the box is 37 kg, then find the work done by gravity. Fapplied M 18. Work from applied force A. -315.1.J B. 88.24 J C. -623.7.J 1--1 19. Work from gravity A. -693.3_J B. 1770.J C. 2105_J e Ar 282.9.J 222.6.J F. -405.6.J -1383.J 2249_J 2022_J DEE D. E. D. E. F.

KTMVK In the diagram, the angle of the incline is 0 = 24°. Although a 37_N horizontal force is applied to the box, it is not enough to prevent the box from sliding down the 12 m incline. What is the work done by this force? If the mass of the box is 37 kg, then find the work done by gravity. Fapplied M 18. Work from applied force A. -315.1.J B. 88.24 J C. -623.7.J 1--1 19. Work from gravity A. -693.3_J B. 1770.J C. 2105_J e Ar 282.9.J 222.6.J F. -405.6.J -1383.J 2249_J 2022_J DEE D. E. D. E. F.

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Description: DownloadORA.jpeg+Unit_GWs+and+Test_(carpet).pdfKTMVKIn the diagram, the angle of the incline is 0 = 24°. Although a 37_N horizontal force is applied to the box,it is not enough to prevent the box from sliding down the 12 m incline. What is the work

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter8: Potential Energy And Conservation Of Energy

Section: Chapter Questions

Problem 39P: A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20...

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A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20 m horizontally before starting back up an 8° incline. It travels 80 m along this incline before coming to rest. What is the magnitude of the net work done on the sled by friction?
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.
The force acting on a particle is Fx = (8x 16), where F is in newtons anti x is in meters. (a) Make a plot of this force versus x from x = 0 to x = 3.00 m. (b) From your graph, find the net work done by this force on the particle as it moves from x = 0 to x = 3.00 m.
Cite two examples in which a force is exerted on an object without doing any work on the object.
The surface of the preceding problem is modified so that the coefficient of kinetic friction is decreased. The same horizontal force is applied to the crate, and after being pushed 8.0 m, its speed is 5.0 m/s. How much work is now done by the force of friction? Assume that the crate starts at rest.
A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table by a constant applied force of magnitude F = 16.0 N directed at an angle = 25.0 below the horizontal as shown in Figure P6.3. Determine the work done on the block by (a) the applied force, (b) the normal force exerted by the table, (c) the gravitational force, and (d) the net force on the block. Figure P6.3
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?
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?
In Figure 5.5 (a)-(d), a block moves to the right in the positive x-direction through the displacement x while under the influence of a force with the same magnitude F. Which of the following is the correct order of the amount of work done by the force F, from most positive to most negative? (a) d, c, a, b (b) c, a, b, d (c) c, a, d, b