Potential Energy: Mastery Test

Select the correct answer from each drop-down menu. When you throw a ball upward, its kinetic energy ______ and its potential energy ______. When the ball reaches maximum height, its kinetic energy is at a ______.

• decreases, increases, remains the same

• decreases, increases, remains the same

• maximum, minimum

The image shows a wheel that's wound up and released. The wheel moves up and down as shown. Identify the position of the wheel when its potential energy is greatest.

Select the correct location on the image. The graph shows a marble rolling down a curve from position 1 to position 5. In which position is the potential energy of the marble greatest?

Select all the correct answers. Which two objects have stored energy?

• a ball rolling on the ground

• a small rock sitting on top of a big rock

• a stretched rubber band

• a stone lying on the ground

Select the correct answer. In which item is energy stored in the form of gravitational potential energy?

• a slice of bread

• a compressed spring

• an apple on a tree

• a stretched bow string

Select the correct answer. An archer pulls back the string of a bow to release an arrow at a target. Which kind of potential energy is transformed to cause the motion of the arrow?

• chemical

• elastic

• gravitational

• magnetic