In Figure below all fluids are at 2o deg.C. Determine pressure at point B, if pressure at point A is 150 kPa and weight of air is neglected. Use the table below for the densities at 20 deg.C. Liquid P. kg/m Kerosene - Ammonia 608 Benzene Carbon tetrachloride 881 Air 1590 Benzene Ethanol 789 1117 Ethylene glycol Freon 12 Gasoline 40 cm 19 cm 1327 680 20 cm 8 14 cm Glycerin Kerosene 1260 cm 804 13,550 791 Mercury- Water Mercury Methanol SAE 10W oil 870 SAE 10W30 oil SAE 30W oil SAE 50W oil Water 876 891 902 998 Seawater (30%o) 1025

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Moment of Inertia

Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provide resistance in changing its state of velocity or motion for coming to a state of rest. In other words, Newton's first law of motion describes the law of inertia of a rigid body.