Force & Motion Review

A force is a:

• Push or pull

• Type of energy

• Form of matter

• Chemical reaction

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Balanced forces cause:

• Change in motion

• No change in motion

• Increase in speed

• Decrease in mass

What is the ultimate force holding everything together in the universe?

• Friction

• Magnetism

• Gravity

• Electricity

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What is net force?

• The total force acting on an object

• The force of gravity on an object

• The force of friction on an object

• The force of magnetism on an object

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The 2nd law states there is a relationship between force, mass, and:

• Speed

• Distance

• Acceleration

• Time

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What is the formula for speed?

• S = M/T

• S = D/T

• S = T/D

• S = D*M

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How does a seatbelt prevent injuries in a car?

• By providing a force in the opposite direction

• By increasing speed

• By reducing friction

• By changing direction

What force do you need to overcome to lift an object from the floor?

• Friction

• Magnetism

• Gravity

• Inertia

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If forces are exerted in opposite directions, you:

• Subtract them

• Add them

• Multiply them

• Divide them

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What does F=MA represent?

• Force equals mass times acceleration

• Force equals mass times area

• Force equals momentum times acceleration

• Force equals mass times altitude

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