Newton's Laws

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

How do you calculate acceleration?

Back

Acceleration (a) is calculated by dividing the net force (F) acting on an object by its mass (m): a = F/m.

Front

What is the unit of force?

Back

The unit of force is the Newton (N).

Front

What is the unit of mass?

Back

The unit of mass is the kilogram (kg).

Front

What happens to an object in motion if no net force acts on it?

Back

It will continue to move at a constant velocity.

Front

What is inertia?

Back

Inertia is the tendency of an object to resist changes in its state of motion.

Front

Give an example of Newton's 1st Law in everyday life.

Back

A book resting on a table will remain at rest until someone pushes it.

Front

Give an example of Newton's 2nd Law in everyday life.

Back

A smaller car accelerates faster than a larger truck when the same force is applied.