Balanced and Unbalanced Forces

Front

What is a balanced force?

Back

A balanced force occurs when two forces acting on an object are equal in size but opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

An unbalanced force occurs when two forces acting on an object are not equal, causing the object to accelerate in the direction of the greater force.

Front

Give an example of a balanced force.

Back

A boy standing still is an example of a balanced force.

Front

Give an example of an unbalanced force.

Back

A car accelerating forward is an example of an unbalanced force.

Front

What is the unit of force?

Back

The unit of force is Newtons (N).

Front

In a tug of war, if both teams pull with the same force, what happens?

Back

Both teams will not move.

Front

How does an object move when forces are unbalanced?

Back

The object will move in the direction of the greater force.

Front

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

Back

The object remains at rest.

Front

What happens to a moving object when balanced forces act on it?

Back

The object continues to move at a constant speed in a straight line.

Front

What is the effect of unbalanced forces on a stationary object?

Back

An unbalanced force will cause the stationary object to start moving.