Law of gravitation gives the gravitational force between, The earth and the point mass only, The earth and the sun only, Any two bodies having some mass, two charged bodies only, the value of quantity G in the law of gravitation, Depends on mass of the earth only, Depends on radius of earth only, Depends on both mass and radius of the earth, Is independent of Mass and radius of the earth, The weakest force in the following is, Magnetic force, Nuclear force, Gravitational force, Electric force, Venable is fully immersed in a liquid its weight decrease it happened do you do, Gravitational force, Magnetic force, buoyant force, Friction force, the value of acceleration due to gravity, is same on equator and poles, is least on poles, is least on equator, increases from pole to equator, If two stones A and B are dropped from a tower, then which one has maximum kinetic energy, Lighter stone, heavier stone, Both have equal, none, When a horse pulls a cart, who does the work?, wheel, cart, road, horse, when a body falls freely towards the earth, then its total energy, Increases, decreases, Remain constant, First increases and then decreases, A horse does 5000 J of work in 100s.what is its power, 50 W, 50 J, 10 W, 10 J, When a body slides against a rough horizontal surface, the work done by friction is, Negative, Zero, Positive, Constant

Physic Class 9

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