Questions
A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth ?
a
32 N
b
30 N
c
24 N
d
48 N
detailed solution
Correct option is A
mg=72g1g=RR+h2g1g=2R3R2g1=49gF1=mg1=mx49g=49×72=32NTalk to our academic expert!
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