Starting from rest, a 5.1-kg block slides 2.10 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is u, = 0.436. (a) Determine the work done by the force of gravity. (b) Determine the work done by the friction force between block and incline. (c) Determine the work done by the normal force.

A force of constant magnitude pushes a box up a vertical surface as shown in the figure. The box moves at a constant speed. If the mass of the box is 6.20 kg, it is pushed 2.90m vertically upward, the coefficient of friction is 0.350 and the angle e is 30.0°, determine the following. (a) work done on the box by F (b) work done on the box by the force of gravity (c) work done on the box by the normal force (d) increase in gravitational potential energy of the box as it moves up the wall

A 6.1-kg block is pushed 2.6 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 0 = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is 0.30, determine the following. A (a) the work done by F J (b) the work done by the force of gravity J (c) the work done by the normal force between block and wall J (d) By how much does the gravitational potential energy increase during the block's motion? J

A 32-kg block is pulled along the ground for a distance of 4.9 m by a 57 N force at an angle of 21 degrees with respect to the horizontal. The coefficient of kinetic friction is 0.21. d)  Find the work done (in J) by the force of friction. e)  Find the net work done on the block.

A person pushes a 20.9-kg shopping cart at a constant velocity for a distance of 21.0 m on a flat horizontal surface. She pushes in a direction 22.4° below the horizontal. A 49.0-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts? Determine the work done by (b) the pushing force, (c) the frictional force, and (d) the gravitational force. (a) Number (b) Number (c) Number (d) Number i i i i Units Units Units Units +

A 4.9-kg block is pushed 3.4 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 0 = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is 0.30, determine the following. (a) the work done by F J (b) the work done by the force of gravity J (c) the work done by the normal force between block and wall J (d) By how much does the gravitational potential energy increase during the block's motion? J

A tension force of 165 N inclined at 25.0° above the horizontal is used to pull a 39.0 kg storage crate a distance of 4.10 m on a rough surface. If the crate moves at a constant speed, find (a) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface. (a) the work done by the tension force (in J)   (b) the coefficient of kinetic friction between the crate and surface

A 5.40-kg box rests on a horizontal surface. The coefficient of kinetic friction between the box and surface is µk 0.410. A horizontal force pulls the box at constant velocity for 23.0 cm. Find the work done by the applied horizontal force. Submit Answer Tries 0/10 Find the work done the frictional force. Submit Answer Tries 0/10 Find the work done by the net force. Submit Answer Tries 0/10

A 3.7-kg block is pushed 2.3 m up a vertical wall with constant speed by a constant force of magnitude F applied at an angle of 0 = 30° with the horizontal, as shown in the figure below. If the coefficient of kinetic friction between block and wall is 0.30, determine the following. (a) the work done by F (b) the work done by the force of gravity (c) the work done by the normal force between block and wall (d) By how much does the gravitational potential energy increase during the block's motion?

An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.2x 104 kg, and the force causes its speed to change from 7500 to 5000m/s. (a) What is the work done by the force? (b) If the asteroid slows down over a distance of 1.7x 106 m determine the magnitude of the force. (a) Work= (b) F= i i