Balancing Forces Unit Review

Front

What is an unbalanced force?

Back

An unbalanced force is a force that causes an object to change its motion. It occurs when the total forces acting on an object are not equal.

Front

What happens when two magnets attract?

Back

When two magnets attract, they pull together.

Front

What happens when two magnets repel?

Back

When two magnets repel, they push apart.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet that can be turned on and off using electricity.

Front

What does it mean if forces are balanced?

Back

If forces are balanced, the object is either at rest or moving at a constant speed.

Front

What is gravity?

Back

Gravity is a force that pulls objects toward each other, such as the Earth pulling us down.

Front

What is a balanced force?

Back

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

Front

Can magnets change color?

Back

No, magnets do not change color when they attract or repel.

Front

What is the effect of an unbalanced force on a stationary object?

Back

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

Front

What is the effect of an unbalanced force on a moving object?

Back

An unbalanced force will cause a moving object to speed up, slow down, or change direction.