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Work & Machine

Authored by Kim Gonzales

Science

11th Grade

Used 1+ times

Work & Machine
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of work?

A job that completes a task

Energy transferred when a force makes an object move

Earning money

Using a computer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you push against an object and it doesn't move, are you doing work?

No

Yes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In order for work to be done, what two things need to happen?

Object needs to move in any direction

Object needs to have acceleration and speed

Object must move and must move in the direction of the force applied

Object needs to feel force, it doesn't matter if it moves

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When the force is perpendicular to the motion, the work being done is 0.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If force and motion are parallel, the work done is...?

force times the distance

force

distance and speed

force in N

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ___________ is a device that changes the force or increases the motion from work.

Work

Job

Machine

Calculator

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _________ does work with just one movement of the machine.

Compound Machine

Simple Machine

Useful Machine

Efficient Machine

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