Physics The function of ball bearings in a wheel is : To convert kinetic friction into rolling friction Just for convenience To convert static friction into kinetic friction To increase friction To convert kinetic friction into rolling friction Just for convenience To convert static friction into kinetic friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Copernicus Martin Luther Johannes Kepler Galileo Copernicus Martin Luther Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics Second and third class levers are differentiated by The presence of multiple loads The location of the load The type of fulcrum present The location of the fulcrum The presence of multiple loads The location of the load The type of fulcrum present The location of the fulcrum ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? One–third Nine times Six times Three times One–third Nine times Six times Three times ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Viscosity Gravity Surface tension Pressure Viscosity Gravity Surface tension Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 200 J 400 J 0 J 100 J 200 J 400 J 0 J ANSWER DOWNLOAD EXAMIANS APP
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