Gravitational potential energy

Question 1

What is the formula for gravitational potential energy?
A. mgh
B. F = ma
C. E = mc^2
D. P = mv

Answer 1

A. mgh

Question 2

In the formula for gravitational potential energy, what does ‘m’ represent?
A. mass
B. distance
C. speed
D. time

Answer 2

A. mass

Question 3

What does ‘h’ stand for in the equation for gravitational potential energy?
A. height
B. velocity
C. acceleration
D. time

Answer 3

A. height

Question 4

What happens to gravitational potential energy as an object is raised higher above the ground?
A. It decreases
B. It increases
C. It remains constant
D. It becomes zero

Answer 4

B. It increases

Question 5

Which unit is used to measure height in the formula for gravitational potential energy?
A. kilograms
B. newtons
C. joules
D. meters

Answer 5

D. meters

Question 6

If an object’s mass is doubled, how does it affect its gravitational potential energy when raised to the same height?
A. It is halved
B. It is doubled
C. It remains the same
D. It becomes zero

Answer 6

B. It is doubled

Question 7

What effect does increasing the height of an object have on its gravitational potential energy?
A. It decreases
B. It increases
C. It remains constant
D. It becomes zero

Answer 7

B. It increases

Question 8

What is the acceleration due to gravity on Earth (in m/s²)?
A. 9.81 m/s^2
B. 3.14 m/s^2
C. 6.63 x 10^-34 m/s^2
D. 2.99 x 10^8 m/s^2

Answer 8

A. 9.81 m/s^2

Question 9

Which factor does not affect the gravitational potential energy of an object?
A. mass
B. height
C. velocity
D. acceleration due to gravity

Answer 9

C. velocity

Question 10

What happens to the potential energy of an object when it is lowered to a lower height?
A. It increases
B. It decreases
C. It remains constant
D. It becomes zero

Answer 10

B. It decreases

Question 11

In which direction does gravitational potential energy vary as an object moves vertically?
A. It always increases
B. It always decreases
C. It depends on the object’s mass
D. It depends on the direction of movement

Answer 11

D. It depends on the direction of movement

Question 12

What is the SI unit of gravitational potential energy?
A. Newtons
B. Joules
C. Watts
D. Volts

Answer 12

B. Joules

Question 13

If an object is at rest at a height above the ground, what type of energy does it possess?
A. Kinetic energy
B. Potential energy
C. Thermal energy
D. Electrical energy

Answer 13

B. Potential energy

Question 14

. What happens to an object’s gravitational potential energy when it falls to the ground?
A. It increases
B. It decreases
C. It remains constant
D. It becomes zero

Answer 14

D. It becomes zero