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To move a body in a circle, which of the following force is needed:
Answer: C. Centripetal To move a body in a circle, centripetal force is needed.
Answer: C. Centripetal
See lessTo move a body in a circle, centripetal force is needed.
A light and a heavy body have equal kinetic energy. Which has greater momentum:
Answer: A. The heavy body A light and a heavy body have equal kinetic energy. The heavy body has greater momentum.
Answer: A. The heavy body
See lessA light and a heavy body have equal kinetic energy. The heavy body has greater momentum.
A light and a heavy body have equal momentum. Which one will have greater kinetic energy:
Answer: A. The light body A light and a heavy body have equal momentum. The light body will have greater kinetic energy.
Answer: A. The light body
See lessA light and a heavy body have equal momentum. The light body will have greater kinetic energy.
When a body moves with a constant speed along a circle:
Answer: C. No work is done on it When a body moves with a constant speed along a circle no work is done on it.
Answer: C. No work is done on it
See lessWhen a body moves with a constant speed along a circle no work is done on it.
An athlete runs some distance before taking a long jump, because:
Answer: A. It helps him to gain energy An athlete runs some distance before taking a long jump, because it helps him to gain energy.
Answer: A. It helps him to gain energy
See lessAn athlete runs some distance before taking a long jump, because it helps him to gain energy.
‘newton sec’ stands for the unit of:
Answer: D. Momentum 'newton sec' stands for the unit of momentum.
Answer: D. Momentum
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The units of impulse are the same as those of:
Answer: B. Momentum The units of impulse are the same as those of momentum.
Answer: B. Momentum
See lessThe units of impulse are the same as those of momentum.
Newton’s second law of motion gives the measure of:
Answer: B. Force Newton's second law of motion gives the measure of force.
Answer: B. Force
See lessNewton’s second law of motion gives the measure of force.
Dimensions of Planck’s constant are same as
Answer: C. Angular momentum Dimensions of Planck's constant are same as angular momentum.
Answer: C. Angular momentum
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Which of the following is a dimensional constant:
Answer: D. Gravitational constant Gravitational constant is a dimensional constant.
Answer: D. Gravitational constant
See lessGravitational constant is a dimensional constant.