DSSSB TGT c9kineticenergy — practice questions
12 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice DSSSB TGT c9kineticenergy in the app →Per NCERT Class 9 Science, ENERGY is defined as which property?Per NCERT, what is the SI unit of ENERGY — the same as that of work?Per NCERT, what is the WORK-ENERGY THEOREM?Per NCERT, what is KINETIC ENERGY?Per NCERT, what is the formula for the KINETIC ENERGY of an object of mass m moving at speed v?Per NCERT, if the SPEED of an object DOUBLES (while its mass stays the same), how does its KINETIC ENERGY chanPer NCERT, if the MASS of an object doubles (while its speed stays the same), how does its KINETIC ENERGY chanPer NCERT, how is the SI unit of energy 'joule' related to its namesake — James Prescott Joule?Per NCERT, a fielder throws a cricket ball that hits the wickets and knocks them down. The ball's ability to dPer NCERT, what happens to the KE of a moving ball when a goalkeeper STOPS it (the ball comes to rest)?Per NCERT, energy can be transferred to an object by mechanical work, heat, light, or sound. Which of these isPer NCERT, an object with mass 2 kg moving at 10 m/s has what KINETIC ENERGY?