Question text
7 A uniform metre rule of weight W is pivoted at the 25cm mark and held horizontal by a force F applied upwards at the 100cm mark. The rule is supported by a vertical force P acting at the pivot. F 0 10 20 30 40 50 60 70 80 90 100 pivot P W What is the magnitude of P? A 1 W B 1 W C 2 W D 4 W 3 2 3 3
7 A uniform metre rule of weight W is pivoted at the 25cm mark and held horizontal by a force F
applied upwards at the 100cm mark. The rule is supported by a vertical force P acting at the
pivot.
F
0 10 20 30 40 50 60 70 80 90 100
pivot
P W
What is the magnitude of P?
A 1 W B 1 W C 2 W D 4 W
3 2 3 3
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