Physics Unit 3 - Dynamics (Practice Test)

What is the net force?

• 17 N Right
• 3 N Right
• 3 N Left
• 17 N Left

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NGSS.HS-PS2-1

What is SI units for force ?

• Grams g()
• Hectogram (Hg)
• Newtons (N)
• Meters (m)

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NGSS.HS-PS2-1

Calculate the Net Force. 

• 60N, Left 
• 40N, Right 
• 0N
• 60N, Right

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NGSS.HS-PS2-1

Which of the following laws state that for every action there is an equal and opposite reaction?

• The law of conservation of momentum
• Newton's 1st Law of Motion
• Newton's 2nd Law of Motion
• Newton's 3rd Law of Motion

What happens to the inertia of an object if the mass increases?

• It decreases.
• It remains constant.
• It increases then decreases
• It increases

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NGSS.HS-PS2-1

If you exert a net force of 8 N on a 2-kg object, what will its acceleration be?

• 2 m/s²
• 4 m/s²
• 16 m/s²
• 10 m/s²

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NGSS.HS-PS2-1

An object at rest will stay at rest, and an object in motion will stay in motion at constant velocity unless acted upon by an unbalanced force

• Newton's First Law
• Newton's Second Law
• Newton's Third Law

If you weigh 678 N on Earth, what is your mass?

• 69.1 kg
• 6650 kg
• 0.0144 kg
• 678 kg

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NGSS.HS-PS2-1

If you weigh 574 N on Earth, what would you weigh on the Moon (g = 1.60m/s²)?

• 93.6 N
• 58.5 N
• 359 N
• 918 N

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NGSS.HS-PS2-1

NGSS.HS-PS2-4

If you weigh 610 N on Earth and 920 N on planet X, what is the acceleration due to gravity on planet X.

• 14.8 m/s²
• 6.57 m/s²
• 13.9 m/s²
• 15.2 m/s²

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NGSS.HS-PS2-4