Simple Machines

Simple Machines

Assessment

Flashcard

Other Sciences

6th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

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8 questions

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1.

FLASHCARD QUESTION

Front

A machine is a device that____________.

Back

changes either the magnitude or direction of force

2.

FLASHCARD QUESTION

Front

Which of the following listed is a simple machine? A car, An inclined plane, A bicycle, A chair

Back

An inclined plane

3.

FLASHCARD QUESTION

Front

Which 2 simple machines are modified versions of an inclined plane? Options: wedge and screw, lever and pulley, wheel and axle, wedge and pulley

Back

wedge and screw

4.

FLASHCARD QUESTION

Front

True or False: No machine is 100 % efficient.

Back

True

5.

FLASHCARD QUESTION

Front

What is the equation for efficiency?

Back

Work Output/Work Input

6.

FLASHCARD QUESTION

Front

What is the definition for mechanical advantage?

Back

the number of times a machine increases the input force

7.

FLASHCARD QUESTION

Front

What is the equation for Ideal Mechanical Advantage?

Back

Input distance/output distance

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