Work done by the spring force depends on which factors?
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Work done by the spring force depends on which factors?
work done by spring is given as W = (1/2)KX2
where K = spring constant or stiffness
X = displacement of spring
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Solved in 2 steps
- a)When is work said to be done by a system? b) Why work is considered path function while pressure is considered a point function?If the energy crossing the boundary of a closed system is not heat, it must be work?Explain the energy is recognized as heat transfer only as it crosses the system boundary?
- A room is heated as a result of solar radiation coming in through the windows. Is this a heat or work interaction for the room?A 10-m, 20-kg chain hangs vertically from a cylinder attached to a winch. a. How much work is required to wind the entire chain onto the cylinder using the winch? b. How much work is required to wind the upper 4 m of the chain onto the cylinder using the winch?The work net available on the surrounding is 12 kJ. Determine the average power produced by a vehicle having a mass of 1000 kg with constant acceleration of 4.6 m/s². Note that the average velocity from this is 11.5 m/s.
- the efficiency of an engine is 0.21 point for every 1.00 KJ of heat absorbed by the engine how much work is done by it and released by itDescribe the heat and work are energy transfer mechanisms between a system and its surroundings, and there are many similarities between them?Discuss the validity of the conservation of energy in terms of potential (gravitational or elastic) and kinetic energy by giving at least one real-life application?