Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Becomes zero Increases exponentially None of these Remains constant Becomes zero Increases exponentially None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The frictional force The centrifugual force The centripetal force All listed here The frictional force The centrifugual force The centripetal force All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Centre of gravity falls within the body Resultant weight of buckets is zero Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Centre of gravity falls within the body Resultant weight of buckets is zero ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of mass Conservation of energy Conservation of angular momentum Conservation of momentum Conservation of mass Conservation of energy Conservation of angular momentum Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Depends on the total mass of all the fragments Depends on the speeds of various fragments Is zero Is infinity Depends on the total mass of all the fragments Depends on the speeds of various fragments Is zero ANSWER DOWNLOAD EXAMIANS APP
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