Forces and Newton's laws - Study Guide

Front

What causes an object to move?

Back

Unbalanced forces cause an object to move.

Front

Which of Newton's laws is known as 'The law of Inertia'?

Back

Newton's First Law is known as 'The law of Inertia'.

Front

If an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

Back

It is a balanced force.

Front

According to Newton's second Law, which would take more force to slow down?

Back

The silver car would take more force to slow down.

Front

What is the net force if two equal forces of 3 N act in opposite directions?

Back

The net force is 0 N.

Front

What is the formula for calculating force?

Back

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

Front

What is inertia?

Back

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

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces do.

Front

What happens to an object at rest when unbalanced forces act on it?

Back

It will start to move in the direction of the net force.

Front

What is the unit of force?

Back

The unit of force is the Newton (N).