Mass and weight. One kilogram mass being weighed on a newtonmeter. Mass is a measure of the amount of matter an object contains,and is constant in any situation. Weight,on the other hand,is a measure of the effect of gravity on mass,and thus varies as the gravitational field does. The newtonmeter is reading just less than 10 newtons as Earth's gravitational field produces a acceleration of just less that 10 metres per second per second. On the Moon,whose gravity is one sixth of Earth's,one kilogram would weigh 1.7 newtons | |
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