Question

if F=-x^3i+y^2j .find work done by this force if body displaces from(2,3)to (6,5).​

Answer 1

See the attachment

Hope it is helpful

Answer 2

Answer:

Explanation:

Work done by the force is given by  W=F.x

∴ W=(3  

i

^

−2  

j

^

​  

+2  

k

^

).(3  

i

^

+2  

j

^

​  

+  

k

^

)

Or  W=(3×3)+(−2×2)+(2×1)

Or  W=9−4+2=7 J