A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm 2 while that of nail B is 6 mm 2 . Calculate pressure on each nail in pascal.

As we know, Pressure (P) = Given, F = 1.5 N A = 2 mm 2 Converting 2 mm 2 in metre 2 As 1 mm = m So, 1 mm 2 = (1) mm x (1) mm = = 1 x 10 -6 m 2 Hence, 2 mm 2 = 2 x 10 -6 m 2 A A = 2 x 10 -6 m 2 A B = 6 x 10 -6 m 2 Substituting the values in the formula above, we get, Pressure on A Hence, Pressure on A = 7.5 x 10 5 Pa Pressure on B Hence, Pressure on B = 2.5 x 10 5 Pa

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Physics

A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm² while that of nail B is 6 mm² . Calculate pressure on each nail in pascal.

Fluids Pressure

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Physics

A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm² while that of nail B is 6 mm² . Calculate pressure on each nail in pascal.

Fluids Pressure

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Physics

A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm2 while that of nail B is 6 mm2 . Calculate pressure on each nail in pascal.

Fluids Pressure

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A block of iron of mass 7.5 kg and of dimensions 12 cm x 8 cm x 10 cm is kept on a table top on it's base of side 12 cm x 8 cm. Calculate (a) thrust and (b) pressure exerted on the table top. Take 1 kgf = 10 N.

A vessel contains water up to a height of 1.5 m. Taking the density of water 10 3 kg m -3, acceleration due to gravity 9.8 m s -2 and area of base vessel 100 cm 2, calculate (a) the pressure and (b) the thrust, at the base of vessel.

A hammer exerts a force of 1.5 N on each of the two nails A and B. The area of cross section of tip of nail A is 2 mm² while that of nail B is 6 mm² . Calculate pressure on each nail in pascal.

The area of base of a cylindrical vessel is 300 cm ². Water (density = 1000 kg m ^-3) is poured into it up to a depth of 6 cm. Calculate (a) the pressure and (b) the thrust of water on the base. (g = 10 m s^-2).

(a) Calculate the height of a water column which will exert on it's base the same pressure as the 70 cm column of mercury. Density of mercury is 13.6 g cm^-3.
(b) Will the height of the water column in part (a) change if the cross section of the water column is made wider ?

A vessel contains water up to a height of 1.5 m. Taking the density of water 10 ³ kg m ^-3, acceleration due to gravity 9.8 m s ^-2 and area of base vessel 100 cm ², calculate (a) the pressure and (b) the thrust, at the base of vessel.