07) a) suggest two ways to decrease
pressure on a surface .
b) Density of an objected as 1.8g/cube
Express in kg /m cube
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a) Pressure depends on the amount of force and the area over which the force is applied. More force - more pressure. More area - less pressure. In fact, pressure is directly proportional to force, and inversely proportional to area.
b ) 1.8 × 10^3kg/m3
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