Question

pls answer this question fast​

Answer 1

Answer:

Given that force acting on a particle is (2i+3j)N

Since work done by this force is zero,

so the direction of particle is perpendicular to the line along which particle is moved. (condition 1)

The equation of line is 3y+kx=5

Now 3*3+2*k=0( since condition 1)

9+2k=0

k=-9/2