Forces, Newton's Laws, and Momentum

What force causes a 1 kg mass to accelerate at a rate of 1 m/s²

• 1 kg/m * s²

• 1 kg/s

• 1 kg * m

• 1 newton

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NGSS.MS-PS2-2

The overall force acting on an object after all forces are combined is the

• Balanced force

• Unbalanced Force

• Net Force

• Star Wars Force

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NGSS.MS-PS2-2

Which of the following is not a type of friction?

• Rolling

• Static

• Fluid

• Gravity

Friction is a force that helps objects that are touching move past each other more easily.

• True

• False

Scientist who studied in England and introduced several laws describing force and motion.

• Aristotle

• Pythagoras

• Galileo

• Newton

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

According to Newton's first law of motion, an object's state of motion does not change as long as the net force acting on it is zero.

• True

• False

A measure of the inertia of an object is

• mass

• net force

• acceleration

• velocity

What is the acceleration of a 1,500 kg truck with a net force of 7,500 N?

• 5 m/s²

• 0.2 m/s²

• 50 m/s²

• 2 m/s²

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NGSS.MS-PS2-2

Ian has a mass of 58 kg. What is his weight? (Remember acceleration due to gravity is 9.8 m/s²⁾

• 58 N

• 568.4 N

• 5.92 N

• 0.17 N

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NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following is NOT true about action-reaction forces?

• These forces always exist in pairs.

• Action-reaction forces never cancel

• Newton's third law describes action-reaction forces.

• All action-reaction forces produce motion.

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