You must exert a force of 4 5 n on a book to slide it across a table.
Work energy and power worksheet answers pdf.
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Energy can t be created or destroyed it can only be changed from one type into another type.
The direction of the work vector b.
Which sets of units represent legitimate units for the quantity work.
Circle all correct answers.
The concept of power is concerned with how rapidly energy is being transferred or transformed when work is done.
The direction of the work vector c.
Work work and energy are the same thing.
Work energy and power in this section of the transport unit we will look at the energy changes that take place when a force acts upon an object.
B how many horsepower hp output must a motor have to perform this task.
A force of 10 n is applied to a 2 0 kg mass at rest on which the force of friction is 4 0 n.
Use the following diagram for questions 10 and 11.
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In physics power is associated with energy and has a precise meaning.
Work power and energy worksheet author.
Work and power worksheet answer each question by calculating for the missing variable.
A how much power is required to pull him 100 m up a 30ยบ frictionless slope at a constant speed of 2 m s.
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Work energy and power page.
It is the rate of work done or rate of energy transfer.
Consider a 10 kg mass sitting on the ramp shown to the right.
A skier of mass 70 kg is pulled up a slope by a motor driven cable.
Be sure to show all calculation work in the space provided.
Download work energy power problems with solutions pdf 497 kb equella is a shared content repository that organizations can use to easily track and reuse content.
Power is measured in joules per second j s r o watts w and is worked out using the formula.
Whether the work adds or removes energy from the object 4.
Worksheet 1 2 and 3 19 science education centre 2002 physics fet revision.
If you do 2 7 j.
When a force moves.
Sec global co za energy work power energy if something has energy it can make things happen.
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Physics work and energy worksheet solutions part i 1.
We call this rule conservation of energy.
Consider two blocks stacked one above the other on a table.
Please circle your final answer and be sure it has the proper label.
Work and energy page 2 of 5 power.