untitled

Gravitational potential energy is the energy of .....

• Motion

• Height

• Stretchiness or bounciness

Assuming gravity remains constant, which changes would result in an increase in gravitational potential energy?

• An increase in mass of the object

• An decrease in mass of the object

• An increase in the height of the object

• A decrease in the height of the object

• An increase in the speed of the object

The gravitational potential energy is 15 Joules. The mass is increased by a factor of 3. What is the new gravitational potential energy?

• 5 Joules

• 45 Joules

• 1.7 Joules

• 135 Joules

The gravitational potential energy is 20 Joules. The mass is increased by a factor of 2. What is the new gravitational potential energy?

• 40 Joules

• 10 Joules

• 80 Joules

• 5 Joules

The gravitational potential energy is 15 Joules. The height is increased by a factor of 3. What is the new gravitational potential energy?

• 5 Joules

• 45 Joules

• 1.7 Joules

• 135 Joules

The units for gravitational potential energy are ___.

• mgh

• Newtons

• joules

• m/s

The work done by or against the gravitational force depends only on ___.

• the mass of the object

• the value of gravity

• the path between the initial and final points

• the starting and ending points

At which point does the ball has the greatest gravitational potential energy (GPE)?

• A

• G

• D

• C

• G

Which would have the LEAST gravitational potential energy (GPE)?

• A ball sitting on the ground

• Moon viewed from the Earth

• An airplane flying 30,000 feet above the ground

• A rock sitting on top of Mt. Everest

How could you increase the gravitational potential energy of an object without changing its mass and gravity?

• Make the object larger

• Lower the object towards the ground

• Raise the object farther off the ground

• Allow the object to roll on the ground