Acceleration, Speed, Force Videos

A change in motion is called ___________.

• acceleration

• velocity

• speed

• force

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Vectors are things that we measure with a direction.

• True

• False

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Which of the following are vectors? Tick all that apply.

• Speed

• Velocity

• Distance

• Displacement

• Acceleration

Which of the following are vectors? Tick all that apply.

• Speed

• Velocity

• Force

• Acceleration

What are the units of acceleration?

• m/s

• m/s²

• m

• m/s³

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A change in motion (acceleration) is caused by:

• a force

• a displacement

• a velocity

• a speed

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Which of the following is an example of a contact force?

• Gravity pulling a spaceship down to Earth

• A football being kicked then flying through the air

• One magnet pulling another closer

The _______ an object is, the harder it is for a force to move it.

• heavier

• lighter

• bigger

• smaller

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According to Newton’s second law of motion:

• F = m a

• m = a F

• a = m F

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According to Newton's 2^nd law of motion, a larger force acting on an object causes a greater _________ of that object.

• velocity

• friction

• acceleration

• mass

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