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Understanding Mechanical Levers Quiz

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Questions and Answers

What is the point of an object at which the weight is evenly dispersed and all sides are in balance called?

Load

Fulcrum

Effort

Center of gravity (correct)

What is the formula for mechanical advantage of a lever?

$MA = Force hinspace Arm hinspace Length + Resistance hinspace Arm hinspace Length$

$MA = Force hinspace Arm hinspace Length \times Resistance hinspace Arm hinspace Length$

$MA = Force hinspace Arm hinspace Length - Resistance hinspace Arm hinspace Length$

$MA = \frac{Force hinspace Arm hinspace Length}{Resistance hinspace Arm hinspace Length}$ (correct)

What determines the classification of levers as first-, second-, or third-class?

The length of the lever

The material of the lever

The relative positions of the axis, weight, and force to each other (correct)

The weight alone

What does the line passing through the center of gravity down to a point in the base of support represent?

Action line of gravity Signup and view all the answers

What does a lever system consist of?

Axis, effort, and load Signup and view all the answers

What is the formula for mechanical advantage of a lever?

$MA = \frac{Force hinspace Arm hinspace Length}{Resistance hinspace Arm hinspace Length}$ Signup and view all the answers

What does the center of gravity of an object represent?

The point at which the weight is evenly dispersed and all sides are in balance Signup and view all the answers

What determines the classification of levers as first-, second-, or third-class?

Relative positions of the axis, weight, and force to each other Signup and view all the answers

What is mechanical advantage in relation to a lever?

How much a simple machine multiplies an applied force Signup and view all the answers

What does the line passing through the center of gravity down to a point in the base of support represent?

Line of gravity or direction of pull known as action line of gravity Signup and view all the answers

Understanding Mechanical Levers Quiz

Choose a study mode

Podcast

Questions and Answers

What is the point of an object at which the weight is evenly dispersed and all sides are in balance called?

What is the formula for mechanical advantage of a lever?

What determines the classification of levers as first-, second-, or third-class?

What does the line passing through the center of gravity down to a point in the base of support represent?

What does a lever system consist of?

What is the formula for mechanical advantage of a lever?

What does the center of gravity of an object represent?

What determines the classification of levers as first-, second-, or third-class?

What is mechanical advantage in relation to a lever?

What does the line passing through the center of gravity down to a point in the base of support represent?

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