Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between ground and the whee Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these Reduce the friction between ground and the whee Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Displacement Jerk Speed Acceleration Displacement Jerk Speed Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier for a man to swim in sea water, than in river water because The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river The sea is-deeper than the river The density of sea water is lesser than the density of river water The density of sea water is more than the density of river water The sea is wider than the river ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Non renewable Unsustainable Limited Renewable Non renewable Unsustainable Limited Renewable ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays The infra-red rays X-rays The ultraviolet rays G-rays The infra-red rays X-rays The ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
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