Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance Wind mill grinding wheat grain Paddling the bicycle to cover a distance Rowing a boat in the lake Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics What principle/law explains the working of the hydraulic brakes in automobiles ? Pascal's law Posieulle's principle Bernoulli's law Archimedes' principle Pascal's law Posieulle's principle Bernoulli's law Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? Throughout the body Outer surface of the body Depended upon the nature of the body At the core Throughout the body Outer surface of the body Depended upon the nature of the body At the core ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps None of these The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks None of these The ball will travel towards the center of the circle and fall down It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle He may increase his speed His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics The tidal waves on sea is mainly due to Gravitational Effect of Moon on Earth Gravitational Effect of Sun on Earth None of these Gravitational Effect of Earth on Moon Gravitational Effect of Moon on Earth Gravitational Effect of Sun on Earth None of these Gravitational Effect of Earth on Moon ANSWER DOWNLOAD EXAMIANS APP
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