Energy

Question 1

What is the formula for gravitational potential energy (Ep)?

Answer 1

Ep = Mass x Gravity x Height
Ep = m g h

Question 2

What is the formula for kinetic energy (Ek)?

Answer 2

Ek = 1/2 Mass x Velocity squared
Ek = 1/2 m v2

Question 3

Complete: If height increases, __________ increases

Answer 3

Gravitational Potential Energy

Question 4

Complete: The bigger the mass, the bigger the _________

Answer 4

Kinetic Energy

Question 5

Define the law of conservation of energy?

Answer 5

Energy cannot be made or destroyed, can only be transferred or transformed

Question 6

What is the formula for the efficiency of energy?

Answer 6

(Energy out/Energy in) x 100%