Question

a force f Victor is equal to 4 ICAP + 66 J cap + 3 k cap acting on a particle produces a displacement of a vector is equal to two ICAP + 3 J cap + 5 k cap where is expressed in Newton and yes inverter find the work done by the force

Answer 1

Hey user !!!

Here's the answer you are looking for

F = (4i + 6j + 3k)

s = (2i + 3j + 5k)

Work done is the dot product of vector F and vector s.

So, W = F • s

= (4i + 6j + 3k) • (2i + 3j + 5k)

= (4•2) + (6•3) + (3•5)

= 8 + 18 + 15

= 41 Nm = 41J

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