Moments, levers and gears

Easy

A uniform horizontal calibration bar is balanced at its midpoint on a triangular pivot.

The diagram shows two vertical forces, $F_1\,$ and $F_2$ , acting on the bar.

A uniform horizontal calibration bar balanced at its midpoint on a triangular pivot, with downward vertical forces F1 and F2 acting on either side.

The bar is in rotational equilibrium.

The anticlockwise moment of force $F_1\,$ about the pivot is 14.8 N m.

Use the principle of moments to state the clockwise moment of force $F_2\,$ about the pivot.

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Moments, levers and gears Questions