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23 Nov 2019
An object of weight W is in free-fall close to the surface ofearth. What is the force that the object exerts on Earth?
A) a force greater than W
B) A force less than W
c) a force = to W
d) no force at all
An object of weight W is in free-fall close to the surface ofearth. What is the force that the object exerts on Earth?
A) a force greater than W
B) A force less than W
c) a force = to W
d) no force at all
Nestor RutherfordLv2
26 Feb 2019