Forces Review

What is a force?

• A push or pull
• A sound wave
• A type of energy
• A form of matter

What are the units for force?

• Newtons (N)
• Meters (m)
• Kilograms (kg)
• Watts (W)

The formula for force is

• F = m/a
• F = a/m
• F = mv
• F = ma

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The formula for force is also known as

• Einstein's theory of relativity
• Pythagoras' theorem
• Archimedes' principle
• Newton's second law of motion

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What is the difference between weight and mass?

• Weight is the amount of matter in an object, while mass is the force exerted on an object due to gravity.
• Weight is the force exerted on an object due to gravity, while mass is the amount of matter in an object.
• Weight and mass are the same thing and can be used interchangeably.
• Weight is measured in kilograms, while mass is measured in newtons.

A vector is

• A quantity that has both magnitude and direction
• A form of transportation
• A musical instrument
• A type of insect

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Force is a vector

• True

• False

Forces in the same direction are

• divided

• subtracted

• multiplied

• added together

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Forces in the different directions are

• divided

• subtracted

• multiplied

• added together

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The overall force acting on an object is

• net force
• opposing force
• resultant force
• static force

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