Front

What is force?

Back

A push or pull on an object that can cause it to move, stop, or change direction.

Front

What are balanced forces?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What are unbalanced forces?

Back

Forces that are not equal and can cause an object to accelerate or change its motion.

Front

What is the standard unit of force?

Back

Newtons (N) is the standard unit for measuring force.

Front

Give an example of balanced forces.

Back

An asteroid moving at a constant speed through space.

Front

Give an example of unbalanced forces.

Back

A car accelerating from a stop sign.

Front

What happens when unbalanced forces act on an object?

Back

The object will accelerate in the direction of the net force.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.

Front

What is friction?

Back

A force that opposes the motion of an object, caused by the contact between surfaces.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.