Newton's Laws Review

Front

What is Newton's 1st Law of Motion?

Back

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Front

What is Newton's 2nd 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 (F = ma).

Front

What is Newton's 3rd Law of Motion?

Back

For every action, there is an equal and opposite reaction.

Front

Define 'weight'.

Back

The force in which gravity pulls on an object.

Front

What is 'friction'?

Back

The force that opposes motion between two surfaces in contact with each other.

Front

What is 'air resistance'?

Back

A force that opposes motion between a surface in contact with the atmosphere.

Front

What is 'inertia'?

Back

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

Front

What is 'momentum'?

Back

The product of an object's mass and its velocity (p = mv).

Front

What is the formula for calculating weight?

Back

Weight (W) = mass (m) × gravitational acceleration (g).

Front

What does 'net force' mean?

Back

The total force acting on an object when all the individual forces are combined.