Kinetic and Potential Energy

Multiple Choice

When you are doing work you are exerting...

• Push

• Pull

• Energy

• Power

Multiple Choice

What is the unit of measurement for energy?

• Newton

• Watt

• Joule

• Metres

Multiple Choice

The energy stored in an object is its _______ Energy

• kinetic

• Potential

• Transformed

• Joule

Multiple Choice

How much gravitational potential energy does a 100kg (220lb.) skydiver have if they jump from 4000 meters?

• 3920000 J

• 294 J

• 180000 J

• 1225 J

Multiple Choice

A 6kg cat misjudges a jump and falls 5 meters. How much gravitational potential energy does the cat have? (The cat is fine by the way.)

• 294 J

• 180000 J

• 1225 J

• 3920000 J

Multiple Choice

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

Multiple Select

Potential energy depends on the ________ and ________ of the object.

• Height (position)

• Mass

• Speed

• Friction

Multiple Choice

If you have 2 objects with different masses fall from the same height, which one has more potential energy?

• smallest

• flattest

• larger

• rounder

Multiple Choice

An object falling from 50 m will have ______ potential than an object falling from 40 m.

• greater

• less

• equal

• lower

Multiple Choice

Distance (Height) and Mass determine the amount of ______ Energy in an object.

• Potential

• Kinetic

• Thermal

• Nuclear

Multiple Choice

How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

• 27 J
• 18 J
• 9 J
• 2 J

Multiple Choice

A 50kg person is running at 7m/s (about 16 mph). How much kinetic energy do they have?

• 1225 J

• 180000 J

• 294 J

• 3920000 J

Multiple Choice

A cheetah can run briefly with a speed of 31 m/s. Suppose a cheetah with a mass of 47 kg runs at this speed. What is the cheetah’s kinetic energy?

• 1457 J

• 728.5 J

• 45,167 J

• 22,583.5 J

Multiple Choice

The faster an object moves, the ________ kinetic energy it has.

• more

• less

Multiple Select

Kinetic energy depends on the ________ and ________ of the object.

• Height (position)

• Mass

• Speed

• Friction

Multiple Choice

Which of the following has the largest kinetic energy?

Multiple Choice

Which point has the most potential energy?

• G

• F

• B

• A

Multiple Choice

At which point of the roller coaster is potential energy the greatest?

• W

• X

• Y

• Z

Multiple Choice

The coaster at B is at -

• Maximum PE, Minimum KE

• Minimum PE, Minimum KE

• Minimum PE, Maximum KE

• Maximum PE, Maximum KE

Multiple Choice

The equation E = 1⁄2 mass x velocity² is used to find which energy store?

• Kinetic Energy

• Gravitational Potential Energy

Multiple Choice

The equation E = mass x gravity x height is used to find which energy store?

• Kinetic Energy

• Gravitational Potential Energy