1.

A force vector applied on a mass is represented as vec(F)=6 hat(i) - 8hat(j) + 10hat(k) N and accelerates the mass at 5 ms^(-2) . The mass of the body is :

Answer»

`2sqrt(2)`kg
40 kg
1.6 kg
`2sqrt(10)` kg

Solution :`m=(|VEC(F)|)/(|vec(A)|)=SQRT(36 + 64+100)/5=sqrt(2)/5`
`2sqrt(2)` kg


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