Practice 1 The small crane shown in the figure is used to lift heavy loads on to a higher platform. For the setup shown below and the position - 40° determine the magnitude of the force supported by the pin at O and the oil pressure (in N/mm) against the 50 mm diameter piston of the hydraulic cylinder BC. 110 mm 120 kg 785 mm 340 mm B 360 mm Activate Windows Go to Settings to activate Windows.

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Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.