A block of iron of mass 7.5kg and of dimensions 12cm×8cm×10cm is kept in a table top on its base of side 12cm×8cm. calculate (a)the thrust (b) pressure exerted on the Table top
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Thrust is the perpendicular force acting on the surface = weight of the object
(a) F = mg
= 7.5×10
= 75 N
Base area = 12×8
= 96 cm^2
= 0.0096 m^2
(b) Pressure = Force/Area
= 75/0.0096
= 7182.5 Pascal
(a) F = mg
= 7.5×10
= 75 N
Base area = 12×8
= 96 cm^2
= 0.0096 m^2
(b) Pressure = Force/Area
= 75/0.0096
= 7182.5 Pascal
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