Newton's Laws of Motion and Forces EXAM

According to Newton's First Law, unless acted upon by an unbalanced force, an object at rest will ______________________________.

• will move in the opposite direction

• stay at rest

• start moving

• never EVER move.

Which term best describes the force on an object with a net force of zero?

• Balanced Forces

• Unbalanced Forces

• Inertia

• Acceleration

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NGSS.MS-PS2-2

What is Newton's 1st Law?

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

• An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

Tags

NGSS.3-PS2-1

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

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NGSS.MS-PS2-2

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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NGSS.MS-PS2-1

What is the net force on the block? (click on the words to view the picture)

• 5 Newtons up
• 5 Newtons down
• 15 Newtons up
• 15 Newtons down

Tags

CCSS.7.EE.B.3

If a 10 kilogram object accelerates suddenly at 15 m/s², how much force was applied to the object?

• 150 Newtons
• 15 Newtons
• 150 kilograms
• 100 kilograms

Tags

NGSS.MS-PS2-2

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

Tags

NGSS.MS-PS2-2

Force = Mass x Acceleration

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

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NGSS.MS-PS2-2