ECAT Physics MCQS Work and Energy Online Test 1

1-k-wh-3-d-3-f_-_5-c-283-6-5-c-2-cmj-5-c-29,1-k-wh-is-equal-to-3-a_-_3-6-c-3-97-10-3-csup-3-e-6-3-c-2-fsup-3-e-j,10-joule-work-is-done-by-machine-in-5-seconds-its-power-will-be-3-a_-_2-w,3-joules-of-work-is-done-in-3-seconds-2-c-then-power-is-3-a_-_1-watt,a-body-has-p-e-3-d-mgh-2-c-when-it-is-at-height-e-2-80-9-ch-e-2-80-9-d-from-the-ground-at-the-point-at-the-distance-e-2-80-9-cx-e-2-80-9-d-below-from-the-top-2-c-its-p-e-will-be-3-a_-_mg-28-x-h-29,a-body-of-mass-1-0-kg-dropped-from-the-top-of-a-tower-of-height-50-m-2-c-what-will-be-its-k-e-10-m-below-the-top-3-f_-_98-j,a-body-of-mass-1-0-kg-dropped-from-the-top-of-a-tower-of-height-50-m-2-c-what-will-be-its-k-e-at-10-m-below-the-top-3-f_-_98-j,a-body-of-mass-2-kg-moving-with-velocity-of-4-ms-3-csup-3-e-1-3-c-2-fsup-3-e-has-k-e-equal-to-3-a_-_16-j,a-field-in-which-the-work-done-in-moving-a-body-along-closed-path-is-zero-is-called-3-a_-_conservative-field,a-force-of-8-n-acting-on-a-body-of-mass-5-kg-displaces-it-through-2-m-along-its-direction-the-work-done-is_-_16-j,a-gas-filled-balloon-possesses-3-a_-_potential,a-layer-of-rock-holding-water-that-allows-water-to-percolate-through-it-with-pressure-is-called-3-a_-_aquifer,a-stone-of-mass-26-nbsp-3-b-2-kg-is-dropped-from-the-top-of-a-tower-of-height-40-m-what-will-be-its-k-e-2-c-at-10-m-below-the-top-3-f_-_196-j,all-the-food-we-eat-in-one-day-has-about-the-same-energy-as-3-a_-_1-2-f-3-liter-of-petrol,an-example-of-non-conservative-force-is-3-a_-_frictional-force,area-under-force-displacement-graph-gives-3-a_-_work-done,at-what-angle-between-force-and-displacement-the-work-will-be-zero-3-a_-_90-c-2-b-0,bio-fuel-such-as-ethanol-is-replacement-of-3-a_-_gasoline,biomass-is-a-potential-source-of-3-a_-_renewable-energy,biomass-is-converted-into-fuel-by-3-a_-_fermentation,work-has-dimension-like-3-a_-_torque