Forces

Front

What is a force?

Back

A force is a push or pull that can change the motion of an object.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward the Earth.

Front

What happens when two forces are balanced?

Back

When forces are balanced, they cancel each other out, and there is no change in motion.

Front

What happens when forces are unbalanced?

Back

Unbalanced forces cause an object to move or change its motion.

Front

What is friction?

Back

Friction is a force that opposes motion between two surfaces that are in contact.

Front

What is the effect of friction on a moving car?

Back

Friction slows down the car and can eventually stop it.

Front

What is a tug of war?

Back

A tug of war is a game where two teams pull on opposite ends of a rope, trying to pull the other team across a line.

Front

What happens if both teams pull with the same force in a tug of war?

Back

If both teams pull with the same force, neither team will move.

Front

What is an example of an unbalanced force?

Back

An example of an unbalanced force is when one person pulls harder than another in a tug of war.

Front

What role does gravity play in falling objects?

Back

Gravity pulls objects down toward the ground, causing them to fall.