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A force vector (50 N) is making and angl...

A force vector (50 N) is making and angle of 30 degrees with X axis has a vertical component of magnitude ___
a) 25
b) 55
c) 50
d) 100/√3

Text Solution

Verified by Experts

`m_1=60, m_2=40kg, m_3=50kg`
Let A be the origin of the system. Initially Mr. Verma and Mr. Mathur are ast extreme positions of the boat

`:. Distnce o the centre of mass`
`(60xx4+40xx2+50xx4)/150`
=280/150=1.87` from A
when they come to the midpoint of boat, the CM lies at 2 m from A. Shift in CM=2-1.87=0.13m right
but as there is no exterN/Al force in longtudiN/Al dilrectioin C.M. would not hsift. so the boat mvoes 0.13 m or 13 cm towards right.
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