Gravitational Potential Energy Quiz

What is gravitational potential energy?

• Energy due to position above the ground

• Energy due to motion

• Energy stored within chemical bonds

• Energy released by nuclear reactions

What is the formula for gravitational potential energy?

• mgh

• mv^2

• 1/2mv^2

• mgh^2

What are the SI units for gravitational potential energy?

• Joules

• Newtons

• Watts

• Meters per second squared

A 10 kg mass is lifted to a height of 2 meters. What is its gravitational potential energy?

• 20 Joules

• 200 Joules

• 2 Joules

• 2000 Joules

A 50 kg box is dropped from a height of 3 meters. What is its gravitational potential energy when it reaches the ground?

• 0 Joules

• 150 Joules

• 1470 Joules

• 300 Joules

At what height is an object that has a mass of 20 kg, if its gravitational potential energy is 7800 J?

• 39 meters

• 390 meters

• 4 meters

• 20 meters

What is the mass of an object if its gravitational potential energy is 3822 J and it is 15 m above the ground?

check the closest answer

• 26 kg

• 260 kg

• 2.6 kg

• 2600 kg

A crane raises a concrete block vertically from 10 m to 45 m. The mass of the concrete block is 800 kg. What is the change in gravitational potential energy of the concrete block?

• 274800 Joules

• 28000 Joules

• 35000 Joules

• 27480 Joules

A roller coaster starts at the top of a hill with a height of 20 meters. The mass of the roller coaster is 1000 kg. What is the gravitational potential energy of the roller coaster at the top of the hill?

• 196000 Joules

• 20000 Joules

• 2000 Joules

• 1960 Joules

A satellite has a mass of 500 kg and is orbiting the Earth at an altitude of 100 km. What is the gravitational potential energy of the satellite?

• It depends on the value of g at that altitude

• 500000 Joules

• 50000 Joules

• 5000 Joules