ENERGY & MOMENTUM

What is the amount of energy transferred in a unit of time called?

• work

• energy

• power

• force

The ability to do work or cause change is called ________?

• force

• work

• energy

• power

The energy and object has due to its motion is called _______.

• potential energy

• kinetic energy

• gravitational potential energy

• elastic potential energy

Potential energy related to an object;s height is called ________.

• potential energy

• kinetic energy

• gravitational potential energy

• elastic potential energy

weight x height =

• kinetic energy

• potential energy

• gravitational potential energy

• elastic potential energy

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."

Which law is this?

• Law of Conservation of Mass

• Newton's Second Law

• Law of Conservation of Energy

• Newton's Third Law

1. A car having a mass of 2000 kg is moving due east at a speed of 36 km/h. Calculate the momentum of the car?

• 6000 kg m/s

• 20000 kg m/s

• 72000 kg m/s

• 7200 kg m/s

What is the amount of energy that should be given to 6 kg object to increase its velocity from 1 m/s to 4 m/s?

• 24 J

• 18 J

• 27J

• 24 J

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• car
• bike
• they are equal
• cannot determine using the info provided

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy