Work Energy And Power Worksheet Answers Pdf

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Work energy and power worksheet answers pdf. 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. Please circle your final answer and be sure it has the proper label. Work and power worksheet answer each question by calculating for the missing variable. A skier of mass 70 kg is pulled up a slope by a motor driven cable.
Work power and energy worksheet author. The direction of the work vector c. If you do 2 7 j. Be sure to show all calculation work in the space provided.
Soweto diepkloof p o box 39067 booysens 2016 011 9381666 7 011 9383603 email. 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. 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. Energy can t be created or destroyed it can only be changed from one type into another type.
The concept of power is concerned with how rapidly energy is being transferred or transformed when work is done. Sec global co za energy work power energy if something has energy it can make things happen. Which sets of units represent legitimate units for the quantity work. This oer repository is a collection of free resources provided by equella.
Power is measured in joules per second j s r o watts w and is worked out using the formula. Work and energy page 2 of 5 power. Steven higginbotham created date. The direction of the work vector b.
Use the following diagram for questions 10 and 11. Consider a 10 kg mass sitting on the ramp shown to the right. Work energy power 1 science education centre. Worksheet 1 2 and 3 19 science education centre 2002 physics fet revision.
B the displacement is in the same direction as the force of friction. Consider two blocks stacked one above the other on a table. Work work and energy are the same thing. It is the rate of work done or rate of energy transfer.
Physics work and energy worksheet solutions part i 1. Work energy and power page. You must exert a force of 4 5 n on a book to slide it across a table.
We call this rule conservation of energy. A how much power is required to pull him 100 m up a 30ยบ frictionless slope at a constant speed of 2 m s. Whether the work adds or removes energy from the object d. In physics power is associated with energy and has a precise meaning.
B how many horsepower hp output must a motor have to perform this task.