What is the primary function of simple machines?

To accomplish physical tasks with few or no moving parts

To create complex tasks with many moving parts

To build advanced electronic devices

How do simple machines affect force and work?

They change the direction or magnitude of force while keeping work constant

They increase the work done while keeping force constant

They decrease the work done while changing the force

They keep both force and work constant

Which ancient structures were first built using simple machines?

Great Pyramids and the Colosseum

Eiffel Tower and Statue of Liberty

Great Wall of China and Taj Mahal

How can wedges be described in terms of inclined planes?

As two inclined planes back to back

Identify a reason someone would use a simple machine.

to make moving, pulling and pushing things easier

What is the main purpose of simple machines?

To increase mechanical advantage

What did Archimedes say about levers?

They can lift the earth if long enough

They can only lift small objects

How can a screw be described in terms of simple machines?

An inclined plane wrapped around a cylinder

What happens when force is applied to a screw?

The threads turn and exert an outward force

What is the effect of having closer threads on a screw?

It increases the mechanical advantage

It decreases the mechanical advantage

Simple Machines: Learn Slides Lesson

51 questions

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1.

SLIDE QUESTION

30 sec • Ungraded

2.

SLIDE QUESTION

30 sec • Ungraded

3.

SLIDE QUESTION

30 sec • Ungraded

4.

SLIDE QUESTION

30 sec • Ungraded

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The purpose of a simple machine is to make work easier by allowing for a push or pull to occur over an increased distance.

True

False

Answer explanation

The statement is true because simple machines, like levers and pulleys, allow a smaller force to move an object over a greater distance, making work easier.

6.

SLIDE QUESTION

30 sec • Ungraded

7.

SLIDE QUESTION

30 sec • Ungraded

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Simple Machines: Learn Slides

51 questions

The purpose of a simple machine is to make work easier by allowing for a push or pull to occur over an increased distance.

The statement is true because simple machines, like levers and pulleys, allow a smaller force to move an object over a greater distance, making work easier.

Sketch a picture of a wedge.

Sketch a picture of a wheel and axle.

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