Answer to Question #72852 in Other Physics for Cat
For example on the left side there is a downwards force1 of 6N and 0.2m away from the pivot, and an upwards force of 10N and 0.1m away from the pivot. On the other side there is an unknown force 0.4m away from the pivot- what is the force required to balance the beam?
In our case:
Let upwards be the positive direction. Thus,
Thus, the force required to balance the beam is 4 N downwards.
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