Question:
a force of 100 N is in the x-y plane . its inclined at an angle with x - axis. if its y component is 60 N, its component along x-axis will be?
Answer:
Given, the force vector F= 100 N
Its vertical (y) component = Fy =60 N
Horizontal component = Fx
The relation between a vector and its component is as below-
F = √(F2y+ F2x)
So, 100 = √(602+ F2x)
= 10000-3600 = F2x
Fx= 80 N The horizontal component of force F.
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