

MCQOPTIONS
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1. |
in 1666, Newton concluded that the force which caused an apple to fall to the ground and the force that kept the moon in its orbit around the earth is the ? |
A. | "Weight called as ""Weightlessness""" |
B. | "Acceleration called as ""Centripetal acceleration""." |
C. | "Universal force called as ""Artificial Gravity""." |
D. | "Universal force called as ""Gravitation""." |
Answer» E. | |