An object weighs 980N
on the Earth's surface.what is its mass
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Answer:
The most common definition of weight is the force exerted on a body by gravity. This is often expressed in the formula W = mg, where W is the weight, m the mass of the object, and g gravitational acceleration, g=9.81 on a surface of the earth.
so if W=980N then m=
g
W
=
9.81
980
=100kg
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