Physics Review

Which of the following has the most inertia?

• A parked train
• A moving car
• A bike on the sidewalk
• A penny on the roof

The force of gravity pulling down on an object is called

• mass
• weight 
• physical change
• resistance

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When on a ride that goes in a circle, you feel pushed or pulled in a circular motion. What is this called?

• resistance
• centripetal force
• gravity
• air re

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F=ma shows the relationship between force mass and acceleration. 

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion
• Ohm's Law

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When on the moon, what is different about you?

• Your mass 
• Your weight
• Your mass and weight 

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Every action has an equal and opposite reaction says

• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion
• Ohm's Law

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What is the density of a rock that has a mass of 4 grams and a volume of 1.2 cm³?

• 4.8 g/cm³
• 0.3 g/cm³
• 3.33 g/cm³

What is the speed of a rabbit that runs 56 meters in 9 seconds?

• 504 m/s
• 0.16 m/s
• 6.22 m/s
• 56 m/s

A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

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A car accelerates from a standstill to 70 m/s in 10 seconds.  What is the acceleration?

• 0.7m/s²
• 7m/s²
• 14m/s²
• none of the above

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