Newton’s Second Law corrected the old belief that force is needed to maintain motion. This idea came from the philosopher ______.
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प्रश्न
State the magnitude and direction of the force of gravity acting on the body of mass 5 kg. Take g = 9.8 m s-2.
बेरीज
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उत्तर
Mass = 5 kg.
g = 9.8 m/s2.
Let F be the force of gravity,
F = mg.
F = (5) (9.8) = 49 N.
Force of gravity always acts downwards.
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