Newton's Three Laws of Motion

Newton's First Law is known as the Law of ________.

• acceleration

• inertia

• mass

• force

The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ______.

• acceleration

• mass

• force

• inertia

Newton's 3rd Law states that for every action, there is an __________________.

• unbalanced force

• an equal and opposite reaction

• an unequal and opposite reaction

• an equal and same direction reaction

Tags

NGSS.MS-PS2-1

The magnitude of the force that a baseball bat exerts on a ball is 50 N. The magnitude of the force that the ball exerts on the bat is _______.

• 50 N

• 10 N

• 100 N

• no force is exerted on the bat

Tags

NGSS.MS-PS2-1

A child is easier to accelerate in a swing than an adult describes Newton's _____ Law.

• 1st

• 2nd

• 3rd

• This is not described in Newton's three laws.

Tags

NGSS.MS-PS2-2

What is the net force of a 4 kg rock thrown at 2 m/s^2?

• 8 m/s^2

• 8 N

• 2 m/s^2

• 2 N

Tags

NGSS.MS-PS2-2

If a 20 N force makes an object accelerate at 10m/s^2, what is the mass of the object?

• 200 N

• 200 kg

• 2 N

• 2 kg

Tags

NGSS.MS-PS2-2

A force is a push or a pull on an object that results from its interaction with another object.

• True
• False

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The combined force of all forces acting on an object is the  ___ force.

• net
• big
• bad
• use

Tags

NGSS.MS-PS2-2

Newton's second law is applied as the formula _____

• Force = Mass X Acceleration
• Speed = distance / time
• a + b = c
• huh?

Tags

NGSS.MS-PS2-2