1.

The gravitational field in a region is given by vec(E) = (2hat(i) + 3hat(j))N//Kg. The workdone by the field when the particle is moved on the line 3y + 2x = 5

Answer»

SOLUTION :`vec(E) = 2hat(i) + 3 hat(j)`
The field is represented as
Slope `m_(1) = Tan theta_(1) = 3//2`
The line `3Y + 2X = 5` can be represented as
slope `m_(2) = Tan theta_(2) = -2//3`
`m_(1) xx m_(2) = -1`
Since, the direction of the field and DISPLACEMENT are PERPENDICULAR the workdone by the field on the particle is zero.


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