Work Formal Formative

Work Formal Formative

11th Grade

8 Qs

quiz-placeholder

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Work Formal Formative

Work Formal Formative

Assessment

Quiz

Physics

11th Grade

Practice Problem

Hard

Created by

Jason Herring

Used 4+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the definition of work we use in Physics?

force multiplied by time

Changing the amount of energy an object has

Applying a force to an object

Something you do to earn money

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car moving at 30 mph has 140,000 J of energy.

How much work do the brakes need to exert to stop the car

less than 140,000 J

140,000 J

more the 140,000 J

brakes are not doing work

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car is moving at 15 mph with 34,000 J of energy. To accelerate 25 mph (94,000 J) How much more energy is needed?

34,000 J

45,000 J

60,000 J

128,000 J

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The force of friction always takes energy out of a system. It does _________ work

positive

negative

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Atlas was a titan (not related to Thanos) in Greek mythology who was condemned to hold the world on his shoulders.

How much work is he doing?

We need to know how heavy the world is

We need to know how long he is holding it

We need to know how strong he is

He is not doing work because holding an object does not change the energy level of the object

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A bobsled team pushes the bobsled team from a stop to 8 mph with 4000J of energy. How much work does the team expend to start the bobsled?

1000J

2000J

4000J

8000J

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In order to take-off faster some military jets rockets to assist their take off.

These rockets do

no work just increase the speed of the plane

do positive work in helping the plane take-off

do negative work by making the engine job easier

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