Power Worksheet With Answers Pdf Power Date In science work is defined as the force needed to move an object a certain distance The amount of work done per unit of time is called power Suppose you and a friend are helping a neighbor to reshingle the roof of his home
1 Find the power of a lift that transfers 450 J of energy in 15 seconds 2 An electric motor transfers 8000 J of energy in 2 5 seconds Calculate its power 3 A weightlifter gives a dumbbell 6 00 J of gravitational potential energy store in 1 2 seconds What is the weightlifter s power 4 Questions 1 Why are both energy and work measured in Joules 2 A ball with a weight of 30 Newtons is kicked 2 metres into the air What work has been done 3 A weightlifter lifts 2 weights of 200 Newtons each up to a height of 1 metre What work has he done 4
Power Worksheet With Answers Pdf
Power Worksheet With Answers Pdf
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Chemical Calculations Worksheet Answers
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Work Practice Problems Worksheet 1 ANSWER KEY 1 Amy uses 20N of force to push a lawn mower 10 meters How much work does she do Work Force X Distance Work 20N X 10m Work 200 J 2 How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N QUESTION 1 1 1 A girl with mass 60 kg slides 3 m down an inclined plane as shown in the picture Calculate the work done on the girl by gravity Calculate the work done on the girl by the normal force 1 2 A block 5 kg is pulled by a force of 60 N at an angle of 30 to the ground The block moves 3 25 m
I Work Worksheet Work amp Power Problems Answer Key A Sample Problems 1 F 200 Newtons Formula W Fd d 50 meters Substitution W 200 N 50 m W Answer with unit of measure W 10 000 J 2 F 5 Newtons W 75 Joules Formula d Substitution d W F Answer with unit of d 75 J 5 N measure d 15 m 3 Work Power and Energy Worksheet Name l Calculate the work done by a 47 N force pushing a pencil 0 26 m 2 Calculate the work done by a 47 N force pushing a 0 025 kg pencil 0 25 m against a force of 23 N 3 Calculate the work done by a 2 4 N force pushing a 400 g sandwich across a table 0 75 m wide
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AP Physics 1 Work Energy amp Power Practice Problems ANSWERS FACT The amount of work done by a steady force is the amount of force multiplied by the distance an object moves parallel to that force W F x cos Work and Power Worksheet Answer each question by calculating for the missing variable Be sure to show all calculation work in the space provided Please circle your final answer and be sure it has the proper label 1
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