Forces

Front

What is a force?

Back

A force is a push or pull that can cause an object to move, change direction, or change shape.

Front

What is gravity?

Back

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

Front

What is friction?

Back

Friction is the force that opposes the motion of an object when it comes into contact with another surface.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, such as iron, and is produced by the motion of electric charges.

Front

What is air resistance?

Back

Air resistance is a type of friction that acts against the motion of an object moving through the air.

Front

What is tension?

Back

Tension is the force that is transmitted through a string, rope, or cable when it is pulled tight by forces acting from opposite ends.

Front

What is an elastic force?

Back

An elastic force is the force exerted by a material when it is stretched or compressed, returning to its original shape.

Front

What is the normal force?

Back

The normal force is the support force exerted upon an object that is in contact with a stable surface, acting perpendicular to the surface.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion, while unbalanced forces cause an object to accelerate.

Front

What is the role of forces in motion?

Back

Forces are responsible for changing the speed or direction of an object's motion.