Gravitational field in a region is given by 
N kg -1 . Find the work done by the gravitational field when a particle of mass m moves from one point (x 1 , y 1 ) to another (x 2 , y 2 ) on the line 2y + 3y = 6
Text Solution
Verified by ExpertsThe correct answer is:
A
m 1 (slope of the line) = 
Slope of gravitational field m 2 = 
Q m 1 m 2 = - 1 i.e. line and field are perpendicular.
Hence, work done = 0
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