Physics Rolling friction is caused by ________ Power dissipation Non-elastic effects Gravity Buoyancy Power dissipation Non-elastic effects Gravity Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and moist Warm and dry Cool and moist Cool and dry Warm and moist Warm and dry Cool and moist Cool and dry ANSWER DOWNLOAD EXAMIANS APP
Physics Frictional force acts in Upward direction The opposite direction of the motion All the directions The same direction as the motion Upward direction The opposite direction of the motion All the directions The same direction as the motion ANSWER DOWNLOAD EXAMIANS APP
Physics Damp clothes are dried in spin dryers by the action of Centrifugal forces Centripetal forces Non central forces Central forces Centrifugal forces Centripetal forces Non central forces Central forces ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Remain unaffected Increase Decrease Have its shape changed Remain unaffected Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
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