Work

​Work

By Mohamad Fawal

​Recall... Energy

​Work - Week 1 Quarter2

By Mohamad Fawal

Determine the work done by a force

Explain the ​Work- Energy Theorem

Calculate the work in different cases.

Trigonometry

Maths!

Dot & Cross vectors multiplication

Maths!

Open Ended

What is work?

Word Cloud

What is work?

​Work (W): is The transfer of energy

Expressed as the product of the force acting upon an object and the amount of displacement

Displacement

x

​s

​s

​s

Energy Increases

Energy Decreases

​s

​s

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Open Ended

How much work is done by this force?

​s

​s

Open Ended

How much work is done by this force?

​s

Open Ended

How much work is done by force F on the suitcase if the teacher walks 4 m in the horizontal direction? (cos 90° = 0, sin 90° = 1)

​Work- Energy Theorem

Multiple Choice

Work is

• having a job

• movement

• energy transfer

• energy transfer to an object

Multiple Choice

The ( ) the force the ( ) work is done

• less, more

• smaller, more

• bigger, more

• bigger, less

Multiple Choice

if something is shifted a long way then there is ( ) work is being done

• less

• more

• same

• none

Multiple Choice

If the object does not move then what is happening

• nothing

• work

• power

• no work is being done on the object

Multiple Choice

what is the two things that need to occur for work to have been done?

• force and displacement

• movement and direction

• constant force and power

• power and work

Multiple Choice

Is this an example of work?

• Yes

• No

Multiple Choice

What is the unit of measurement for work?

• meters

• newtons

• m/s

• Joules

Multiple Choice

You have to push with 15 N of force to move it 10 meters. How much work do you do?

• 15 Joules

• 150 Joules

• 1.5 Joules

• .67 Joules

Multiple Choice

45 J of work were done on the object that moved 5 meters. How much force was applied to the object?

• 8 N

• 225 N

• 9 N

• 0 N

Multiple Choice

The net work done by a net force acting on an object is equal to the change in the kinetic energy of the object.

• Force-Work Theorem
• Work-Kinetic Energy Theorem
• Force-Kinetic Energy Theorem
• Work-Force Theorem

Dropdown

A force applied in order to move an object some distance is called

Select answer

.

Drag and Drop

Work is done when an object has been subjected to ​

Placeholder

and it then ​

Placeholder

. No movement, ​

Placeholder

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power is converted into Newtons

an object stays in place

force

moves

no work

light

Drag and Drop

If 17 Newtons were necessary to move a crate 4 meters, how much work was done?

Placeholder

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272 N

68 Joules

68 N

272 J 

Drag and Drop

F = ma W = Fd

A man reels in what he thinks is a fish. He estimates it has a mass of 3 Kg. He starts reeling at a rate of 5 m/s². He thinks his line is out 7 meters.

Force: ​

Placeholder

Work:

Placeholder

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105 N

525J

105 J

525 N

15 N

Match

Match the following to their SI measurements

• Work

• Force

• distance

• time

Joules (J)

Newtons (N)

meters (m)

seconds (s)

• Joules (J)

• Newtons (N)

• meters (m)

• seconds (s)

Multiple Select

The ability or capacity to do work is called _____.

• energy

• force

• work

Multiple Select

Work is done when a force causes an object to ...

• speed up

• stay still
• slow down

Open Ended

Solve ..

Energy Forms and Changes - Conservation of Energy | Energy Systems | Energy Transfer - PhET Interactive Simulations My Account

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