Whether you walk a mile or run a mile you will use the same amount of energy ie. Work Energy Power Work Energy Power.
This Is The Study Guide I Use With My Students As They Prepare For Their Unit Test The Vocabulary Includ Work Energy And Power Teaching Energy Physics Lessons
Work done by a person is sometimes called useful work which is.
. It is the influence of an object to exert a force onto an object to displace it thus changing its position in space. Work and energy are very closely related. These concepts are very closely related so it is important to.
How is power related to work done and time taken. Power is measured in Joules per second or Watts. Work and energy are related to each other ie with an.
Energy is the capacity to do work. Capacity to do a work is called energy. Because energy is the capacity to do work we measure energy and work in the same units Nm or joules.
Thus work and energy have a strong relationship. A body is said to posses energy when it is capable of doing work or of overcoming resistance. Work is a synonym for energy.
Lesson 1 - Basic Terminology and Concepts. Power of Doing Useful Work. Definition and Mathematics of Work.
Answer 1 of 54. Energy is measured in Joules. Power is a measure of the amount of work that can be done in a given amount of time.
Efficiency of doing a work is called power. Thus it can be said. So a work cannot be done without energy or without efficiency of doing a work.
Power equals work J divided by. In physics terms work is a force acting through a distance energy is in the same units as work and power is work per unit of time. To do work you require energy and power is the rate at which you can do work whereas energy is the capacity to accomplish work.
Work F d N m J kgm2 s2. Calculating the Amount of Work Done by Forces. Do the same amount of work.
As an example a racing car and a family sedan. Power is the rate of using energy or doing work. In this module we are going to cover the topics of work energy and power.
POWER P is the rate of energy generation or absorption over. To do any work energy is used. Power is how fast energy is used.
Power F d t F v N m s W J s kgm2 s3. Table 5 shows energy and oxygen consumption rates power expended for a variety of activities.
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