Forces and Motion

Front

What is the force that attracts some metals and is a noncontact force?

Back

Magnetism is the force that attracts certain metals without direct contact.

Front

What force is reduced when using slippery pads to drag a sofa over carpet?

Back

Friction is the force that is reduced by using slippery pads.

Front

What happens in a tug-of-war when both teams pull with equal force in opposite directions?

Back

The rope does not move when both teams pull with equal force.

Front

What should a baseball pitcher do to make a ball reach the catcher?

Back

Increase the force used when throwing the ball.

Front

What action can make a toy car roll faster down a ramp?

Back

Push it with more force to make it roll faster.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the center of the Earth.

Front

What is a noncontact force?

Back

A noncontact force is a force that can act at a distance without physical contact, like magnetism.

Front

What is the relationship between force and motion?

Back

An increase in force typically results in an increase in motion or acceleration.

Front

What is the effect of increasing mass on the force needed to move an object?

Back

Increasing mass requires more force to achieve the same acceleration.