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Levers

Authored by Wayground Content

Physics

9th - 12th Grade

15 Questions

Used 11+ times

Levers
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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is a lever?

A type of pulley used to lift heavy objects.

A simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

A device that converts rotational motion into linear motion.

A tool used for measuring angles.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the difference between ideal mechanical advantage (IMA) and actual mechanical advantage (AMA)?

IMA is the mechanical advantage in a frictionless scenario, while AMA accounts for friction and other losses.

IMA is always greater than AMA due to the presence of friction.

AMA is the theoretical maximum efficiency of a machine, while IMA is the real-world performance.

Both IMA and AMA are the same in all scenarios.

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is an example of a third class lever in everyday life?

A fishing rod

A pair of tweezers

A wheelbarrow

A seesaw

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is an example of a second class lever in everyday life?

A wheelbarrow

A pair of scissors

A seesaw

A fishing rod

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the significance of the IMA being less than one?

It indicates that the lever is designed to increase speed or distance rather than force.

It means the lever is not effective at all.

It shows that the lever can lift heavier weights with less effort.

It suggests that the lever is only useful for short distances.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the unit of force?

Pound

Newton

Joule

Pascal

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What type of lever is a pair of tweezers?

A first class lever.

A second class lever.

A third class lever.

A fourth class lever.

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