A
B
100

What's the unit of energy?

Joule

100

Do you think energy is a vector or a number?

Number

200

Do you think there is one form of energy?

No there are many form of energy

200

What's the rule of gravitational potential energy?

EP= m × g × h

300

When the gravitational potential energy is equal to zero?

When the object is at the reference level

300

 is gravitational potential energy related to velocity?

No