Forces, Newton's Laws, Mechanical Energy

30 mph west is an example of _________.

• force

• speed

• acceleration

• velocity

A lamp sitting on a table is demonstrating Newton's ___ Law.

• 1st

• 2nd

• 3rd

• 4th

A rollercoaster heading down a hill is _____________.

• at rest

• slowing down

• accelerating

• velocity

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NGSS.MS-PS2-2

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NGSS.MS-PS3-1

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Newton's 3rd Law states that for ever action there is an equal and opposite ________.

• reaction

• satisfaction

• fraction

• transaction

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NGSS.MS-PS2-1

A ______ is a push or pull on an object.

• force

• speed

• acceleration

• velocity

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NGSS.MS-PS2-1

A force that causes an object to slow down when it touches another object is _________.

• gravity

• friction

• inertia

• Newton

Newton's 2nd Law says the acceleration of an object depends on its _______ and ______. (Choose two answers)

• force or applied force

• weight

• gravity

• mass

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NGSS.MS-PS2-2

if an object stays still or continues moving at the same speed and in the same direction, it is a _______ force.

• weak

• strong

• balanced

• unbalanced

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NGSS.MS-PS2-2

Net force is a combination of all ________ acting on an object.

• forces

• speeds

• accelerations

• velocities

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What will be the effect on the boy in the picture if the driver stops quickly?

• Because of inertia he will remain in the same position.

• He will be pushed back into the car seat.

• He will move from one side of the car seat to the other.

• He will move forward pressing against the seatbelt.

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