Force, Motion, and Energy

Front

What is a force that works AGAINST MOTION?

Back

Friction is a force that opposes motion.

Front

Which requires more force to move it?

Back

A heavy object, like a bowling ball, requires more force to move than a light object, like a tennis ball.

Front

What does friction do to the motion of an object?

Back

Friction slows down or stops an object.

Front

A hard wood floor has more friction than a carpet. True or False?

Back

False. A carpet has more friction than a hard wood floor.

Front

What is motion?

Back

Motion is a change in position.

Front

What is force?

Back

Force is a push or pull on an object.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, like the Earth pulling us down.

Front

What happens to an object in motion if no forces act on it?

Back

It will continue moving at the same speed and in the same direction.

Front

What is an example of friction in everyday life?

Back

When you rub your hands together, the heat you feel is caused by friction.

Front

What is the relationship between mass and force?

Back

The greater the mass of an object, the more force is needed to move it.