Kinetic and Potential Energy Practice

The ability to do work by applying force is called

• work

• energy

• force

• net force

Which number shows the most kinetic energy ?

• three

• two

• four

• five

Stored energy or energy due to its position is called

• mechanical energy

• potential energy

• kinetic energy

• thermal energy

At which point is potential energy greatest?

• W
• X
• Y
• Z

What kind of energy is in a waving hand?

• Potential
• Kinetic

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

• 250,000 J

• 2,450,000 J

• 2,451,663 J

• 248 J

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

• 8.5 J

• 45 J

• 7.5 J

• 22.5 J

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

• 1457 Joules

• 22,584 Joules

• 15 Joules

• 45,167Joules