A body is acted upon by two forces each of magnitude F, but in opposite direction. State the effect of the forces if
A body is acted upon by two forces each of magnitude F, but in opposite direction. State the effect of the forces if
(a) both forces act at the same point of the body.
(b) the two forces act at two different point of the body at a separation r.
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(a) Resultant force acting on the body=F − F = 0 moment of forces = 0 i.e., no motion of the body
(b) The forces tend to rotate the body about the mid-point between two forces,
Moment of forces = Fr
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