Newtons Laws Review

Front

What unit do we measure force in?

Back

Newtons

Front

What is the force that opposes motion between two surfaces in contact with each other?

Back

Friction

Front

If a car is moving at a constant speed, what can be said about the forces acting on it?

Back

The forces are balanced.

Front

Which of the following is an example of Newton's third law of motion?

Back

A rocket launching into space.

Front

Which of the following is not an acceleration?

Back

Riding your bike straight down the street at a constant speed.

Front

What is Newton's first law of motion?

Back

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the formula for calculating force?

Back

Force = mass × acceleration (F = m × a).

Front

What is Newton's second law of motion?

Back

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass (Weight = mass × gravity).