Gravity & Kinetic Energy

What are TWO ways to increase the potential energy of an object on a ramp?

• change position

• increase mass

• add friction

• reduce mass

What causes an object to stop sliding?

• a stop sign

• brakes

• friction

What happens to energy in a collision between objects?

• new energy is created

• energy is destroyed

• energy transfers

TRUE or FALSE: Gravity is the exact same on Mercury, Venus, and Earth.

• TRUE

• FALSE

Energy of motion is called ____________ energy.

• potential

• kinetic

• speed

• force

Newton discovered ____________ which is the force of attraction between masses.

• trees

• energy

• acceleration

• gravity

How does the kinetic energy of an object change when its speed or mass INCREASES?

• The potential energy increases

• The kinetic energy increases

• The kinetic energy decreases

• There is no movement

The distance traveled by an object in a unit of time.

• speed

• acceleration

• distance

The change of velocity per unit of time.

• speed

• acceleration

• distance

Radiant energy that heats....

• potential energy

• kinetic energy

• thermal energy