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Mini-Quiz: Ramps are Simple Machines

by Ron Kurtus (28 June 2016)

Take this Mini-Quiz to check your understanding of the lesson material.

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1. What is the purpose of a ramp?

The friction is usually great

There are no handles to hold onto

You are too weak to do the job

2. How does the distance you push the object compare with the height lifted?

You are going downhill

You can power the rollers

Friction is much less using rollers

3. What is a simple way to calculate the mechanical advantage?

Divide sliding coefficient of friction by rolling coefficient

Divide rolling coefficient of friction by sliding coefficient

Divide force mechanical advantage by rolling coefficient

If you got all three correct, you are on your way to becoming a Champion in Understanding Machines. If you had problems, you had better look over the material again.

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Keep on rolling in your life

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Where are you now?

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Machines

Mini-Quiz: Ramps are Simple Machines

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Topics on Machines

• Overview of Machines

Simple machines

• Tools Used to Perform Simple Tasks
• Simple Machines

Mechanical advantage

• Mechanical Advantage in Machines
• Distance Mechanical Advantage
• Speed Mechanical Advantage
• Force Mechanical Advantage
• Mechanical Advantage Relationships

Levers

• Levers are Simple Machines
• Three Lever Classes
• Relationships in Levers
• Increasing Force with a Lever
• Increasing Distance Moved with a Lever
• Increasing Speed with a Lever

Ramps

• Ramps are Simple Machines
• Effect of Friction in Ramps

Other machines

• Cylinder and Piston Drive Engines
• Electrical Machines
• Hand Cranked Flashlight

Efficiency

• Efficiency of Machines
• Rollers Reduce Friction
• Bearings Reduce Friction

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Also see

• Machines Survey Results
• Physical Science
• Astronomy
• Chemistry
• Physics

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