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During paddling of a bicycle,the force of friction exerted by the ground on the two wheels is?Ans) Since the rear wheel rotates by itself (we only paddle to rotate the fron wheel), the friction acts in backward direction which provides torque for the required rotation.But friction acts forward on front wheel as friction acts opp. to the direction of sliding or opposes the relative motion.
Classificatio n of I.C. Engines: IC engines are classified as follows: 1 . Nature of thermodynamic cycles as: Otto cycle engine, Diesel cycle engine and Dual combus
Find out the components of the force: The frame of a certain machine accelerates to the right at 0.8 g m/sec 2 . As illustrated in Figure, it carries a uniform bent bar ABC we
Classification of welding Based on Mode of Energy Transfer Energy is converted from one form to another. Any form of energy can be converted to heat energy, which can be used f
What is tool economics?
Centrifugal Filter and Screen Filter Cleaning : Oil may contain impurities. Since the oil passes through all the engine parts, the impurities may harm the parts and cause imprope
Describe Nusselt Number, Reynolds Number and Prandtl Number. Get the relation between these three for a circular cylinder losing heat in forced convection to the air flowing around
Q: Determine the resultant of force system which is acting tangential to the circle of radius 1m as shown in the figure given below. Also find the direction of it and line of actio
(a) Compare 2 two-stroke cycle engines with 4 stroke cycle engines. What are the function of flywheel and Cam Shaft? (b) Derive a mathematical expression for efficiency of dual
Determine the reaction: The cantilever is shown in the figure given below; determine the reaction when it is loaded. In cantilever at fixed end ( A ) there is three reac
Find the coefficient of friction between ladder and floor: A ladder of 5m long rests on horizontal ground and leans against smooth vertical wall at an angle of 70° with the h
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