Newton's Laws of Motion

An object at rest will _______ if no outside forces are applied.

• Stay at rest
• Increase Velocity
• Decrease Mass

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NGSS.MS-PS2-2

The SI units for force are...

• Kilograms
• Newtons
• Meters per second
• Pounds

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

How does Newton’s third law explain how a rocket takes off?

• The rocket’s acceleration is positive, while the gasses acceleration is negative but the direction is the same. 
• The rocket is at rest until ignition.
• The hot gasses move in one direction, while the rocket moves in the opposite direction but with equal force.

A(n) __________ is a push or pull.

• newton
• acceleration
• force
• momentum

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

A ____ force is the total force felt by an object.

• sum
• net
• strong
• balanced

In order to be ____ forces, their effects must cancel each other out and not cause a change in an object's motion.

• balanced
• strong
• weak
• normal

Tags

NGSS.MS-PS2-2

____ is the rubbing force that acts against motion between two touching surfaces.

• Acceleration
• Normal force
• Momentum
• Friction

If you are driving forward and suddenly break, what would happen to your body and which law does that demonstrate?

• go back, 1st Law
• move forward, 1st Law

Tags

NGSS.MS-PS2-2

Forces always act in equal and opposite pairs.

• Newton's 1st Law
• Newton's 3rd Law

Tags

NGSS.MS-PS2-1