Question
Download Solution PDFA 1 m long uniform beam of 2 kg mass is being lifted vertically up by a force F at the 100 cm mark. What is the minimum force required to do so?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Conditions for the system to be in equlibrium
ΣFx = 0, ΣFy = 0, ΣM = 0
Calculation:
Given:
m = 2 kg, Assume g = 10 m / s2
Lager will be the moment, smaller will be the force required to lift the rod. Hence, Applying Moment about 0 cm point we get.
w × 50 = F × 100
m × g × 50 = F × 100
2 × 10 × 50 = F × 100
F = 10 N
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