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 are the three main types of forces acting on a moving train?

Back

Friction, air resistance, and gravitational force.

Front

What force propels an object forward when it is stretched and released?

Back

Elastic force.

Front

What two forces do skydivers experience during free fall?

Back

Air resistance and gravity.

Front

What is friction?

Back

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

Front

What is gravitational force?

Back

Gravitational force is the attraction between two objects due to their mass.

Front

What is air resistance?

Back

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

Front

What is tension?

Back

Tension is the force transmitted through a string, rope, or wire when it is pulled tight.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, such as iron, due to magnetic fields.

Front

What is the role of electrical force in a balloon?

Back

Electrical force can cause a balloon to attract or repel other objects when it is charged.