Your Problem:

Which one of the following bis the unit force

A.kg.m/s

B.newton

C.kg/m/s²

D.joule

My Answer:

C.kg/m/s²

Why?

Force = mass x g = 20 kg x 9.8 m/s2 = 196 newtons.

Solution:

Then, from the equation for work,. work = force x distance = 196 N x 4m = 784 joules. Energy.

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If you like my answer!Brainliest now:)

|•Yashi•|