PH-592
Moments
Physics · Secondary 3 · Medium · Moments
A 1.2 m long uniform beam weighs 4.0 N. It is pivoted at one end. A vertical upward force F is applied at the other end to just lift the beam off the support at the pivot. What is the value of F?
- 2.0 N
- 3.0 N
- 4.0 N
- 6.0 N
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