Physics Railway tracks are banked on curves so that No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
Physics On which principle does the hydraulic lift works? Pascal's law Joule's law Newton's law Archimedes's law Pascal's law Joule's law Newton's law Archimedes's law ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Distance Speed Time Velocity Distance Speed Time Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics If the earth suddenly stop rotating, the value of "g" will be Same Increase Decrease Become Zero Same Increase Decrease Become Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Petrol Fresh water Mercury Salt water Petrol Fresh water Mercury Salt water ANSWER DOWNLOAD EXAMIANS APP