8th Grade Science Test 1

Which is true from Newton's Third law of motion?

• For every action force there is a smaller reaction force in the opposite direction.
• For every action force there is an equivalent reaction force in the opposite direction.
•  Both 1 and 2
• None of the above

Tags

NGSS.MS-PS2-1

What is Newtons 2nd law?

• equal&opposite force
• law inertia
• f=ma

Tags

NGSS.HS-PS2-1

When forces on an object are balanced, what is the net force?

• 0

• 5

• 10

• 21

Tags

NGSS.HS-PS2-1

______________ measures an object's tendency to resist changing its motion.

• Acceleration

• Inertia

• Gravity

• Weight

The formula ...

? = mass x acceleration

Is used to find which of the following:

• Force

• Velocity

• Momentum

• Gravity

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The formula ...

? = Distance / Time

is used to find which of the following?

• Velocity

• Force

• Momentum

• Speed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

NGSS.MS-PS3-1

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

• Newton's first law, the law of inertia
• Newton's second law, the law of acceleration
• Newton's third law, the law of action reaction 
• The law of universal gravitation

Tags

NGSS.MS-PS2-2

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Tags

NGSS.MS-PS2-2

What is the net force

• 10 N
• 0 N
• 25 N
• 1 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

A _____ is a pull or a push.

• force
• friction
• gravity
• speed

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1