Types of Forces

Front

What is an applied force?

Back

A contact force that is applied to an object by a person or another object.

Front

What force affects the weight of an object?

Back

Gravity is the force that affects the weight of an object.

Front

What force does your chair exert on you to prevent you from falling?

Back

The normal force is exerted by the chair to support your weight.

Front

What is normal force?

Back

Normal force is a contact force that acts perpendicular to the surface an object is resting on.

Front

What is a force that acts at a distance?

Back

A force that can be applied without contact between objects, such as gravitational or magnetic force.

Front

Define contact force.

Back

A force that requires physical contact between two objects.

Front

Define gravitational force.

Back

The attractive force between two masses, which gives weight to objects.

Front

What is friction?

Back

A contact force that opposes the motion of an object.

Front

What is air resistance?

Back

A type of frictional force that acts against the motion of an object moving through air.

Front

What is magnetism?

Back

A force that can attract or repel objects without physical contact, typically involving magnets.