You can also enter units that are combinations of other units. Keep in mind that

Question

You can also enter units that are combinations of other units. Keep in mind that you have to indicate the multiplication of units explicitly either with a multiplication dot or a dash. You can add a multiplication dot by selecting the dot from the symbol menu The weight of an object is the product of its of its mass, m and the acceleration of gravity, g(where g = 9.8m/s^2). If an object's mass is m = 10.kg what is its weight? Express the weight to two significant figures and includes the appropriates units. You can enter units that are combinations of units with prefix. However you must maintain the same units system given in the problem for example this question uses the SI unit system. Therefore an answer in U.S. customary units such as miles per hour would not be accepted as correct.

Explanation / Answer

we know that

weight = mass (m) x acceleration due to gravity (g)

so

W = m x g

given

m = 10 kg

g = 9.8 m / s2

so

W = 10 x 9.8

W = 98 kg.m.s-2

so

weight of the object is 98 kg.m.s-2 or 98 N

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