Q. Hydraulic system make use of transmission of pressure to do useful work in

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Q. If p is the pressure, F is the force and A is the area, then we can calculate pressure by

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Q. What is the pressure under the man's feet if his mass is 60 kg and the area of his shoes in contact with the ground is 200 cm²?

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Q. The force acting per unit area is known as

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Q. The Si unit of pressure is

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Q. The force acting over a smaller area exerts

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Q. If a rectangular brick 20 cm by 10 cm by 5 cm has a density of 2 g cm⁻³ and the strength of gravitational field os 10 N kg⁻¹,what is the minimum pressure exerted by the block when it is placed on one face?

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Q. If a rectangular brick 20 cm by 10 cm by 5 cm has a density of 2 g cm⁻³ and the strength of gravitational field os 10 N kg⁻¹,what is the maximum pressure exerted by the block when it is placed on one face?

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Q. Simple machine ‘lever’ works on the principle of

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Q. If an object is in equilibrium, The resultant moment about the pivot must be

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Q. If an object is in equilibrium, all forces acting on it are

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Q. Bottle openers, scissors and our arm are the examples of

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Q. When a body is in equilibrium, the sum of clockwise moments about a pivot is equal to the

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Q. The SI unit of amplitude is

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Q. The number of complete waves produced per second is known as

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Q. The SI unit of frequency is

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Q. The height of a crest or depth of a trough measured from the rest position is referred as

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Q. The maximum displacement from the rest or center point is known as

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Q. The time taken for one point on the wave to complete one oscillation is known as

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Q. The SI unit of period is

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