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Rotating Objects
Why do objects rotating with more speed appearing to be stationary and sometimes appearing as rotating in the opposite direction?
bhargavmech
- Aug 11th, 2009
The wagon-wheel effect (alternatively, or stagecoach-wheel effect, stroboscopic effect) is an optical illusion in which a spoked wheel appears to rotate differently from its true rotation. The wheel c...
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what is a four stroke engine
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Answered by: Anne Srinivas.
- Jul 14th, 2006
A 4-s engine is that in which for every four revolutions of crank one power stroke is produced.
sahid
- Jan 26th, 2018
Four stroke means suction stroke, compression stroke, ignition stroke, exhaust stroke of an engine.
Prabhu.s
- Oct 7th, 2017
Piston moves from top dead centre to bottom dead centre is known as a stroke its take half revolution of crank shaft. In a four stroke engine we get the energy on power stroke. Its complete two revolutions of crank shaft. The four strokes are suction, compression, power, exhaust.
