Physics Chapter 5 Review pt 1

The acceleration produced by a net force on a body is directly proportional to the magnitude of the net force, is in the same direction as the net force, and is inversely proportional to the mass of the body.

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Law of Universal Gravitation

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What causes acceleration?

• Force

• Mass

• Velocity

• Distance

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What is the equation that relates acceleration to force and mass?

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According to Newton's second law, acceleration is directly proportional to :

• force
• mass

• air resistance

• none of these

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According to Newton's Second Law, acceleration is inversely proportional to :

• direction

• force

• mass

• all of these

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What effect does multiplying the force on an object by 5 have on the acceleration?

• The acceleration is divided by 5.

• The acceleration is multiplied by 5.

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What effect does multiplying the mass of an object by 5 have on the acceleration?

• It decreases it by 1/5.

• It increases it by 5.

• It remains the same.

• It decreases it by 5.

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What is the formula for pressure?

• Pressure = Energy / Time

• Pressure = Mass / Volume

• Pressure = Force / Area

• Pressure = Distance / Time

What is the effect on pressure when force is applied to a greater surface area? (increase or decrease?)

• increase

• decrease

A 70 kg sloth is hanging from two branches. What is the tension in each branch?

• 443 N

• 686 N

• 343 N

• 245 N

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