How much a body weighing 18 n on earth will weigh on the moon?
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Mass of the object is constant. it will be the same on moon. Weight of the object depends on gravity.
W = M X g ; On earth g = 9.8 so if the object weighs 20N, its mass would be
20N = M x 9.8
or M = 20 /9.8 ~ 2.041kg
Now gravity on Moon g = 1.622, therefore the weight of the same object on Moon would be
W (on moon) = 2.041 x 1.622 = 3.3105N.
Mass of the object is constant. it will be the same on moon. Weight of the object depends on gravity.
W = M X g ; On earth g = 9.8 so if the object weighs 20N, its mass would be
20N = M x 9.8
or M = 20 /9.8 ~ 2.041kg
Now gravity on Moon g = 1.622, therefore the weight of the same object on Moon would be
W (on moon) = 2.041 x 1.622 = 3.3105N.
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