Forces

What is a force?

• A push or pull that acts on an object

• A mythical power in Star Wars

• The mass of an object

• The movement of an object

A net force will cause an object to:

• Gain more mass

• Accelerate in the opposite direction as the net force

• Remain still

• Accelerate in the same direction as the net force

A balanced force can result in:

• An object remaining still

• An object gaining speed

• An object gaining mass

• An object moving at a constant speed

An object at rest stays at rest unless acted upon a net force. An object in motion stays in motion with the same speed and in the same direction unless acted upon by an net force.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

For every action, there is an equal and opposite reaction

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

Inertia is entirely based on an object's:

• Speed

• Size

• Mass

• Volume

Tags

NGSS.HS-PS2-1

What is the relationship between the force the cannon puts on the ball and the force the ball puts back on the cannon?

• The force on the ball is greater

• The force on the cannon is greater

• The forces are equal

• The forces are unequal, but it's impossible to say which way

What's the net force on the object shown above?

What's the net force on the object shown above?