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 at a constant velocity unless acted upon by a net external force.

Front

What is inertia?

Back

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

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

What factors affect the amount of friction between two surfaces?

Back

The amount of friction depends on the force pressing the surfaces together and the roughness of the surfaces.

Front

What is air resistance?

Back

Air resistance is a type of friction that acts against the motion of an object moving through the air.

Front

How does weight affect friction?

Back

The greater the weight of an object, the more force is pressing the surfaces together, which increases friction.

Front

What is the relationship between speed and air resistance?

Back

As the speed of an object increases, the air resistance acting against it also increases.

Front

What is an example of Newton's 1st Law in everyday life?

Back

A passenger in a car lurches forward when the car suddenly stops.

Front

What is the formula for calculating force?

Back

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