Force and Motion

Front

What is the definition of force in physics?

Back

Force is a push or pull acting upon an object as a result of its interaction with another object.

Front

What are the two main types of forces?

Back

Contact forces and non-contact forces.

Front

What is an example of a contact force?

Back

Friction is an example of a contact force.

Front

What is an example of a non-contact force?

Back

Gravity is an example of a non-contact force.

Front

How does gravity affect objects on Earth?

Back

Gravity pulls objects toward the center of the Earth, giving them weight.

Front

What is friction?

Back

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

Front

What is the relationship between mass and force?

Back

The greater the mass of an object, the more force is required to change its motion.

Front

What is work in physics?

Back

Work is done when a force causes an object to move in the direction of the force.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force is the Newton (N).