PH-1851
Moments
Physics · Secondary 4 · Medium · Moments
A 1.0 m long uniform wooden plank has a weight of 12 N acting at its centre. It is supported horizontally by two spring balances at its ends. The left spring balance reads 5.0 N.
What is the reading on the right spring balance?
What is the reading on the right spring balance?
- 6.0 N
- 5.0 N
- 7.0 N
- 12 N
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