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A 100 kg wooden slab has dimensions 20 cm 10 cm 20 cm is placed on a table. The pressure exerted by the wooden slab on the table of dimensions 20 cm 10 cm is [Take g = 10ms-2]

Asked by 27th February 2013, 10:12 PM
Answered by Expert
Answer:
the pressure exertd by the box on the table does not depend on the dimension of the table, it depends solely on the dimension of the box.
thus the force exerted will be: F = mg = 100x10 = 1000N
area of box facing the table : A= 20x20 sqcm = 400/10000 sqm = 0.04 sqm
 
thus pressure: P = F/A = 1000/0.04 = 25000 Pa
Answered by Expert 28th February 2013, 8:39 PM
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