ICSE Class 10 Answered
A rod of 3m is acted by two forces shown below calculate
1) net force
2) total moment of force
Asked by umarakhtar659 | 07 Jul, 2023, 08:24: PM
Expert Answer
Let us assume that force in upward direction is positive and downward direction is negative.
Net force Fnet = 5N - 5N = 0 N
Moment of force = Force × distance × sinθ
where distance is measured from the pivot point to the point of application of force and
θ is angle between direction of force and lever arm.
Let us take moment about the mid point of the given rod .
Net moment of force M = ( 5 × 1.5 × sin90 ) + ( 5 × 1.5 × sin90 ) = 15 N m
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Answered by Thiyagarajan K | 07 Jul, 2023, 09:51: PM
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