PH-1824
Moments
Physics · Secondary 4 · Medium · Moments
A 0.80 m long metal rod of mass 1.5 kg is pivoted at its centre and is horizontal. A 6.0 N weight hangs 0.10 m from the left end of the rod.
What upward force at the right end keeps the rod in equilibrium?
What upward force at the right end keeps the rod in equilibrium?
- 1.5 N
- 3.0 N
- 4.5 N
- 7.5 N
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