Understanding Newton's Laws of Motion (11)

What is the equation for Newton’s second law of motion?

Which of the following quantities is measured in newtons (N)?

• Mass

• Force

• Acceleration

• Velocity

What is the SI unit for mass?

• Newton

• Kilogram

• Meter

• Joule

What is the SI unit for acceleration?

• m/s

• kg

• N

• 5 N

• 20 N

• 12 N

• 8 N

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NGSS.MS-PS2-2

A student has a mass of 68 kg and is wearing a backpack that has a mass of 10 kg. What is their total mass?

• 58 kg

• 78 kg

• 68 kg

• 80 kg

• Area

• Acceleration

• Amplitude

• Angle

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NGSS.MS-PS2-2

If the net force on an object is zero, what can be said about its acceleration?

• It is positive

• It is negative

• It is zero

• It is infinite

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NGSS.MS-PS2-2

Which of the following best describes Newton’s second law of motion?

• For every action, there is an equal and opposite reaction.

• An object at rest stays at rest unless acted upon by a force.

• The acceleration of an object is directly proportional to the net force and inversely proportional to its mass.

• Energy cannot be created or destroyed.

What is the acceleration of a 5-kg object if a force of 20 N is applied to it?

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NGSS.MS-PS2-2