Balanced and unbalanced forces

Front

What are balanced forces?

Back

Balanced forces are two or more forces acting on an object that are equal in size but opposite in direction, causing the object to stay in place or move at a constant speed.

Front

What are unbalanced forces?

Back

Unbalanced forces occur when two or more forces acting on an object are not equal, causing the object to accelerate or change its motion.

Front

What happens when a kitten pushes a ball with more force?

Back

The ball would move faster.

Front

Give an example of balanced forces in action.

Back

One student pulls a gate while another student pushes the gate, and the gate does not move.

Front

What happens to a seesaw when one more child sits on the left side?

Back

The right side will go up.

Front

What is the effect of unbalanced forces on an object?

Back

Unbalanced forces cause an object to start moving, stop moving, or change direction.

Front

If two people push a box with the same force in opposite directions, what happens?

Back

The box stays in place because the forces are balanced.

Front

What is an example of unbalanced forces?

Back

A student hits a baseball harder than another student, causing the baseball to move.

Front

What does it mean when forces are equal and opposite?

Back

It means that the forces cancel each other out, resulting in no change in motion.

Front

How can you tell if forces are balanced?

Back

If an object is at rest or moving at a constant speed, the forces acting on it are balanced.