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23 Ιαν 2016 · Work Power and Energy Video Lecture of Physics for IIT-JEE Main and Advanced by RM Sir. RM Sir is known for his focused and simplified JEE teaching to bring ...
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27 Ιαν 2015 · Work can be calculated using the formula: Work (W) = Force (F) x Distance (d). Work is a method of transferring energy and doing work can increase the kinetic energy of an object. Kinetic energy is the energy of motion and is calculated using the formula: Kinetic Energy = 1/2 x Mass x Velocity^2.
Strictly speaking, the work is done by the source or agent that applies the force. Work is a scalar quantity and its SI unit is the joule (J). From equation (8.1), we see that. 1 J = 1 N-m. Work is also defined as the dot product of force and its displacement as given by equation (8.2) W = (8.2)
Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.
CHAPTER SIX. WORK, ENERGY AND POWER. 6.1 Introduction. 6.2 Notions of work and kinetic energy : The work-energy theorem. 6.3 Work. 6.4 Kinetic energy. 6.5 Work done by a variable force. 6.6 The work-energy theorem for a variable force. 6.7 The concept of potential energy. 6.8 The conservation of mechanical energy.
(d) Change in the kinetic energy of the body = work done by the net force in 10 seconds = 635.04 J (This is in accordance with work-energy theorem). More Resources for CBSE Class 11
