Understanding Kinetic and Potential Energy

What is the primary unit used to measure energy?

• Calories

• Newtons

• Joules

• Watts

Which of the following factors does NOT affect kinetic energy?

• Height of the object

• Velocity of the object

• Mass of the object

• Speed of the object

What type of energy is stored in a stretched bowstring?

• Chemical potential energy

• Kinetic energy

• Elastic potential energy

• Gravitational potential energy

Which formula is used to calculate gravitational potential energy?

• GPE = mv^2/2

• GPE = mh^2

• GPE = mg/v

• GPE = mgh

What is the value of gravitational acceleration used in calculating gravitational potential energy on Earth?

• 9.8 m/s

• 9.8 m/s^2

• 9.8 km/s^2

• 9.8 km/s