Understanding Forces

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

• Joule

• Watt

• Newton

• Pascal

Tags

NGSS.HS-PS2-1

According to Newton's First Law of Motion, an object at rest will stay at rest unless acted upon by a:

• Balanced force

• Unbalanced force

• Gravitational force

• Magnetic force

Which of the following best describes Newton's Third Law of Motion?

• An object in motion stays in motion

• Force equals mass times acceleration

• For every action, there is an equal and opposite reaction

• The acceleration of an object is directly proportional to the net force

Tags

NGSS.MS-PS2-1

A 10 kg object is subjected to a net force of 50 N. What is the acceleration of the object?

Tags

NGSS.MS-PS2-2

Which of the following scenarios best illustrates Newton's Second Law of Motion?

• A book resting on a table

• A rocket launching into space

• A ball rolling down a hill

• A person standing still

Tags

NGSS.MS-PS2-2

Match the following

• Force

• A push or a pull

• Position

• A change in an object's position

• Motion

• The location of an object

Tags

112.18.b.8

Match the following

• Newton's 2nd Law

• 
• Newton's 1st Law

• 
• Newton's 3rd Law

• 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Match the following

• Newton's Third Law

• For every action there is an equal and opposite reaction.

  (Momentum)

• Newton's Second Law

• F = m x a

  (Acceleration)

• Newton's First Law

• An object at rest stays at rest and an object in motion stays in motion unless acted on by a force.

  (Inertia)

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

fill in the magic triangle to calculate FORCE

a

b

c

m- mass

F- FORCE

a- acceleration

Tags

NGSS.MS-PS2-2