Newtons Laws

Newtons Laws

Multiple Choice

What is the net force?

• 20 N

• 0 N

• 400 N

• 40 N

Multiple Choice

__________ is the sum of all forces acting on an object. It is capable of accelerating a mass. 

• velocity
• gravity
• net force
• distance

Multiple Choice

Balanced or unbalanced?

• balanced
• unbalanced

Multiple Choice

The tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference

Multiple Choice

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

Multiple Choice

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

Open Ended

Give an example of Newtons first law of motion in your everyday life.

Multiple Choice

Football A has a greater mass than football B.  Which football will have greater acceleration when both are thrown with the same force in the same direction?

• Football A
• Football B
• They will have the same acceleration
• Mass has no effect on acceleration

Multiple Choice

A 20 kg bike accelerates at 10 m/s2.  what was the force

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Multiple Choice

The force that pulls an object in a circular motion and keeps it in a circular motion is centripetal force.

• True
• False

Multiple Choice

Newton's second law of motion describes acceleration as force divided by __________.

• mass
• inertia
• speed
• direction

Multiple Choice

The increasing speed of a falling object is caused by _____________.

• force
• mass
• speed
• gravity

Multiple Choice

An object's velocity can be changed by changing its speed, its direction, or both.

• True
• False

Multiple Choice

A change in velocity over time is called ___________.

• speed
• force
• acceleration
• direction

Open Ended

Give an example of newtons second law of motion in your everyday life.

Multiple Choice

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

• The cannon moving forward

• The cannon moving backwards

• The cannonball moving backwards

• The cannonball moving forward

Multiple Choice

Newton’s law states that for every action, there is an ________ reaction.

• unequal and opposite

• equal and similar

• stronger and opposite

• equal and opposite

Multiple Choice

Which of the following does not affect the gravitational force between the earth and the sun?

• The mass of the earth

• The mass of the sun

• The distance between the earth and the sun

• The net electrical charge of the earth

Multiple Choice

A push or pull that can change an object’s motion

• Force

• Motion

• Reference Frame

• Direction

Multiple Choice

The illustration shows the forces in Newtons (N) acting on three different blocks. Which blocks will move under these conditions?

• Blocks 1 and 2

• Blocks 2 and 3

• Blocks 1, 2, and 3

• Blocks 1 and 3

Multiple Choice

This is always equal and opposite to the action force

• Motion

• Collide

• Force

• Newton's 3rd Law

Open Ended

Give an example of Newton's third law of motion in your everyday life.

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