Final Exam: Physical Science

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

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What Newtons law does this picture represent

• Newtons 1st law

• Newtons 2nd law

• Newtons 3rd law

• Newtons 4th law

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A fireman turns on his hose and is knocked backwards is an example of...

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4rth Law

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According to the Law of Conservation of Momentum, when two objects collide:

• both objects lose momentum.

• both objects gain momentum

• momentum is neither lost nor gained.

• momentum is always lost or gained.

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

• Motion
• Friction
• Work
• Displacement

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What is the attractive force that exists between all objects that have mass?

• Weight
• Mass 
• Gravity
• Viscosity

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What is the formula to calculate speed?

• Speed = time/distance
• Speed = distance/time
• Speed = distance x time
• Speed = time x distance

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What is velocity?

• the quickness of an object
• the location of an object
• acceleration
• speed in a specific direction

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

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Who wins the tug of war with what net force?

• The person on the left with 20 N
• The person on the left with 80 N
• The people on the right with 20 N
• The people on the right with 100 N

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