Newton's Law and Circular Motion

The force of gravity pulling down on an object is called

• mass
• weight 
• physical change
• resistance

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NGSS.HS-PS2-4

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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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

Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?

• 0.25 ms^-2
• 0.5 ms^-2
• 1 ms^-2
• 2 ms^-2

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What is the force that causes centripetal acceleration when a car goes around a curve?

• Friction
• Gravity 
• Normal
• Tension

At the top of a roller-coaster loop, gravity and the normal force point in opposite directions.

• True
• False

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NGSS.HS-PS2-1

What is the unit of measurement for weight

• Grams (g)
• Newtons (N)
• Pounds (lbs)
• Kilograms (Kg)

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What is the direction of the velocity at point B, if the ball is revolving clockwise?

• up
• right
• down
• left

What is the direction of the velocity at point A, if the ball is revolving clockwise?

• up
• right
• down
• left