# Work And Power Worksheet Pdf

The concept of power is concerned with how rapidly energy is being transferred or transformed when work is done. If the trip takes 7s to complete calculate the person s power.

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### Work and power worksheet answer each question by calculating for the missing variable.

Work and power worksheet pdf. Power is measured in joules per second j s r o watts w and is worked out using the formula. Work power worksheet. Work energy and power this worksheet and all related ﬁles are licensed under the creative commons attribution license.

Work energy and power worksheet pdf. For instance when a block is being pulled with tension t by a string whose angle of inclination is θ to the horizontal. Power work done time taken and using symbols we write this as.

A person of mass 70kg runs up a flight of stairs with a vertical height of 5m. In physics power is associated with energy and has a precise meaning. At present this fuel could be petrol or alcohol or diesel fuel.

A ball with a weight of 30 newtons is kicked 2 metres into the air. Please circle your final answer and be sure it has the proper label. Wd e p mgh 70 x 10 x 5 3500j.

Pf1 5 work energy and power page 2 of 5 june 2012 note. The unit of work is the joule j consider a force that acts at an angle. It is the rate of work done or rate of energy transfer.

Work power worksheet author. Much work is done express your answer in both english and metric units of work. Power work.

P 2 07 104watts 2 a 0 45 kg book sits on a shelf 1 80 m above the floor. But whatever fuel you use you are buying something with the. If the pump s power output is 250 horsepower how long will it take to pump all 3000 gallons to reservoir.

A calculate the gravitational potential energy of the book relative to the floor. Worksheet work power and energy sections 9 1 9 6 1 what is the power of a crane that does 5 80 x 104 j of work in 2 80 s. Be sure to show all calculation work in the space provided.

In the past the fuel could just possibly have been coal. If you do 2 7 j. No body last modified by.

And in the future it could be hydrogen or electricity stored in a battery. 1 25 2014 4 58 00 pm company. Why are both energy and work measured in joules.

Work is a scalar quantity. E p 7 95j. Energy work and power energy if you own a car it will not move without fuel.

What work has been done. Power is measured in. We define power as.

You must exert a force of 4 5 n on a book to slide it across a table. Rule for power power work time in watts in joules in seconds p w t questions 1. P f x d t power is measured in watts.

Power is the rate at which is done.

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