Quiz on Simple and Complex Machines

Quiz on Simple and Complex Machines

9th Grade

13 Qs

quiz-placeholder

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Quiz on Simple and Complex Machines

Quiz on Simple and Complex Machines

Assessment

Quiz

Biology

9th Grade

Practice Problem

Medium

Created by

Cynthia García

Used 5+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of machines according to the text?

To increase friction

To reduce the weight of objects

To help us do work more quickly, easily, and safely

To create energy

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a type of simple machine mentioned in the text?

Complex Machine

Inclined Plane

Lever

Wedge

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a lever defined as in the text?

A device that uses energy to help you do work

A machine that can lift heavy things

A type of complex machine

A tool with no moving parts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the trade-off when using a machine to reduce force?

You can work faster

You can lift heavier objects

You need to use more energy

You need to apply force over a greater distance

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which simple machine is described as a surface with a slope?

Pulley

Inclined Plane

Screw

Wedge

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a pulley do?

Increases the weight of an object

Lifts objects using a lever

Changes the direction of force

Reduces friction

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a gear primarily used for?

To transfer motion or force

To lift heavy objects

To hold things together

To reduce friction

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