In the figure shown, if the mass (m=9 Kg) is moving with constant speed and traveled a distance d=10 m on a rough horizontal surface, what is the work done in Joules by the frictional force? Given that F =27 N that makes 53 ° with the horizontal. F A. -325 B. -487.5 C. -162.5 D. 250 640 0

In the figure shown, if the mass (m=9 Kg) is moving with constant speed and traveled a distance d=10 m on a rough horizontal surface, what is the work done in Joules by the frictional force? Given that F =27 N that makes 53 ° with the horizontal. F A. -325 B. -487.5 C. -162.5 D. 250 640 0

Name: In the figure shown, if the mass (m=9 Kg) ismoving with constant spee
Uploaded: 2024-03-20T06:57:25.000Z
Channel: Bartleby
Description: In the figure shown, if the mass (m=9 Kg) ismoving with constant speed and traveled adistance d=10 m on a rough horizontalsurface, what is the work done in Joules bythe frictional force? Given that F =27 N thatmakes 53 ° with the horizontal.FА. -325

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 7P: A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope...

See similar textbooks

Similar questions

Describe a situation in 4iich a force is exerted for a long time but does no work. Explain.
A 5.0-kg block is pushed 3.0 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of = 30 with the horizontal, as shown in Figure P5.76. If the coefficient of kinetic friction between block and wall is 0.30, determine the work done by (a) , (b) the force of gravity, and (c) the normal force between block and wall, (d) By how much does the gravitational potential energy increase during the blocks motion? Figure P5.76
A particle of mass 2.0 kg moves under the influence of the force F(x)=(5x2=7x)N . Suppose a frictional force also acts on the particle. If the particle’s speed when it starts at x=4.0 m is 0.0 m/s and when it arrives at x=4.0 m is 9.0 m/s, how much work is done on it by the frictional force between x=4.0 m and x=4.0 m?
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.
A particle moving in the xy -plane is subject to a force F(x,y)=(50Nm2)(xi+yj)( x 2 + y 2 )3/2 , where x and y are in meters. Calculate the work done on the particle by this force, as it moves in a straight line from the point (3 in, 4 m) to the point (8 in, 6 in).
Suppose you are jogging at constant velocity. Are you doing any work on the environment and vice versa?
A worker pushes a wheelbarrow with a horizontal force of 50 N on level ground over a distance of 5.0 m. 11 a friction force of 43 N acts on the wheelbarrow in a direction opposite that of the worker, what work is done on the wheelbarrow by the worker? (a) 250 J (b) 215 (c) 35 J (d) 10 J (e) None of those answers is correct.
A block of mass m = 5.00 kg is released from point and slides on the frictionless track shown in Figure P7.6. Determine (a) the blocks speed at points and and (b) the net work done by the gravitational force on the block as it moves from point to point . Figure P7.6
Check Your Understanding The spring Example 7.5 is compressed 6 cm from its equilibrium length. (a) Does the spring force do positive or negative work and (b) what is the magnitude?
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 500-kg dragster accelerates from rest to a final speed of 110 m/s in 400 m (about a quarter of a mile) and encounters an average frictional force of 1200 N. What is its average power output in watts and horsepower if this takes 7.30s?
Cite two examples in which a force is exerted on an object without doing any work on the object.