Choose the correct answer IV — task. Science State Board, Class 10.

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1. If the Earth shrinks to 50% of its real radius its mass remaining the same, the weight of a body on the Earth will __________.

decrease by \(50\%\)
decrease by \(25\%\)
increase by \(300\%\)
increase by \(50\%\)

2. To project the rockets which of the following principle(s) is/(are) required?

(a) Newton’s third law of motion
(b) Newton’s law of gravitation
(c) Law of conservation of linear momentum
(d) Both (a) and (c)

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