Force: Putting it all Together

What is the net force required to give an automobile with a mass of 1,600 kg an acceleration of 4.5 m/s²?

Mathematical Equivalence

ON

What is the acceleration of a wagon with a mass of 20 kg if a horizontal force of 64 N is applied to it?

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ON

What is the mass of an object that is experiencing a net force of 200 N and an acceleration of 500 m/s²?

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ON

If a truck has a mass of 2,000 kilograms and a velocity of 35 m/s, what is its momentum?

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ON

An 8-kilogram bowling ball is rolling in a straight line toward you. If its momentum is 16 kg*m/s, how fast is it traveling?

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ON

A beach ball is rolling in a straight line toward you at a speed of 0.5 m/s. Its momentum is 0.25 kg*m/s. What is the mass of the beach ball?

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ON

How much does a 200 kg car weigh?

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ON

A bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s. If the mass of the bicycle and rider together is 85 kg, what is the net force acting on the bicycle? (Hint: Calculate acceleration!)

Mathematical Equivalence

ON

Rank the following objects from least inertia to most inertia.

• truck

• large train

• baseball

• feather

• small car

Rank the following objects from least momentum to most momentum.

• parked truck

• fast feather

• fast car

• fast baseball

• slow car