Simple Machines and Mechanical Advantage Quiz

What is the mechanical advantage of a machine that requires 100N of input force to lift a 500N load?

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What is the mechanical advantage of an inclined plane that is 4 meters long and inclined at an angle of 30 degrees?

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In a wheel and axle system, if the radius of the wheel is 10 cm and the radius of the axle is 2 cm, what is the mechanical advantage?

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In a lever system, where is the fulcrum located in relation to the input and output forces?

• a) Between the input force and fulcrum

• b) Between the output force and fulcrum

• c) At the same point as the input force

• d) The fulcrum's position does not affect the input and output forces

What is the formula for calculating work?

• a) Work = Force × Distance

• b) Work = Mass × Acceleration

• c) Work = Power ÷ Time

• d) Work = Energy ÷ Distance

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What is the purpose of a screw as a simple machine?

• a) To amplify force

• b) To change the direction of force

• c) To increase speed

• d) To convert rotational motion into linear motion

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What is the advantage of using a pulley system?

• a) It increases the input force needed to lift a load.

• b) It decreases the distance over which the force is applied.

• c) It changes the direction of the force needed to lift a load.

• d) It reduces the mechanical advantage of the system.

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How does friction impact the mechanical advantage of a machine?

• a) Friction increases mechanical advantage.

• b) Friction decreases mechanical advantage.

• c) Friction has no effect on mechanical advantage.

• d) Friction only affects the efficiency of a machine, not its mechanical advantage.

Which of the following is NOT a type of simple machine?

• a) Lever

• b) Pulley

• c) Inclined plane

• d) Transformer

A machine has a mechanical advantage greater than 1. What does this indicate about the machine?

• a) It requires less effort to accomplish the same amount of work.

• b) It requires more effort to accomplish the same amount of work.

• c) It does not change the amount of effort needed.

• d) It cannot be determined from the given information.

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