1. A force of 70 N is applied to a crate parallel to the surface on which the crate rests. If the force moves the crate 6.0 m calculate the work done by the force.   Answer (33.0K)

2. What is the change in the kinetic energy experienced by the crate in the previous problem?   Answer (30.0K)

3. If the force in problem 1 was applied for 8.0 seconds how much power was expended?   Answer (32.0K)

4. An object of mass 3.0 kg has a velocity of 8.0 m / s. What is the object's kinetic energy?   Answer (33.0K)

5. A monkey carries a coconut of mass 2.0 kg to a height of 10 m. Calculate the potential energy of the coconut and the work done by the monkey in getting the coconut to that height.   Answer (35.0K)

6. If the monkey in the previous problem releases the coconut from the height of 10 m what is the velocity of the coconut just before it reaches the ground?   Answer (47.0K)

7. A spring of spring constant 60 N / m is stretched a distance of 0.3 m from its equilibrium position. Calculate the increase in the potential energy of the spring.   Answer (33.0K)

8. A ball of mass 0.6 kg is located at the top of a hill of height 8.0 m. If friction can be neglected, calculate the speed of the ball at the bottom of the hill if the ball is released from rest.   Answer (42.0K)

9. A pendulum of mass 2.0 kg is raised to a height of 0.4 m above the lowest point in its swing and then is released from rest. If air resistance can be ignored, how high will the pendulum swing on the other side of its motion?   Answer (31.0K)

10. For the pendulum in the previous problem, how fast will it move at the lowest point in its swing?   Answer (39.0K)