Unit 3 Test Review

Front

What is a push or pull that can change motion?

Back

Force

Front

What is the force that causes resistance when two objects slide across one another?

Back

Friction

Front

What is the term for a force that attracts or repels objects?

Back

Magnetism

Front

What do we call the forces acting on an object that are equal in size and opposite in direction?

Back

Balanced forces

Front

What is the effect of unbalanced forces on an object?

Back

They cause the object to accelerate in the direction of the net force.

Front

What is the unit of force in the International System of Units (SI)?

Back

Newton (N)

Front

What is the relationship between mass and force according to Newton's second law of motion?

Back

Force equals mass times acceleration (F = ma).

Front

What type of friction occurs when an object is not moving?

Back

Static friction

Front

What type of friction occurs when an object is sliding over a surface?

Back

Kinetic friction

Front

What is the gravitational force?

Back

The force of attraction between two masses.