Fall Final Exam Review

What is a force?

• a push or pull
• speed or acceleration 
• potential or kinetic energy
• balanced or unbalanced force

Tags

NGSS.MS-PS2-1

When objects remain in the same place, it is called...

• gravity
• friction
• balanced force
• unbalanced force

Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

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What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

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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.

Tags

NGSS.MS-PS2-1

An automobile you are riding in suddenly stops, why does your body continue to go forward?

• An object in motion stays in motion.

• Gravity pulls your body towards the earth.

• Friction makes your body slow down.

If a magician pulls a table cloth from under a table of dishes, what should happen based on Newton's 1st law?

• The dishes will stay in place on the table.

• The dishes will fall to the ground.

• The dishes will accelerate and then slow down.

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 

A force of 90N is applied to each cart below, which one will accelerate the fastest?

• Cart 1
• Cart 2
• Cart 3 
• Cart 4

Tags

NGSS.MS-PS2-2

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

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