A hydraulic car jack uses oil to lift heavy vehicles. The input piston has a cross-sectional area of 0.002 m² and the output piston has a cross-sectional area of 0.04 m². A force of 100 N is applied to the input piston. What is the force produced at the output piston?

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Question

A hydraulic car jack uses oil to lift heavy vehicles. The input piston has a cross-sectional area of 0.002 m² and the output piston has a cross-sectional area of 0.04 m². A force of 100 N is applied to the input piston. What is the force produced at the output piston?

Accepted Answer

2000 N — Award 1 mark for correct calculation. Pressure = 100/0.002 = 50000 Pa. Force at output = 50000 × 0.04 = 2000 N. A is incorrect — this divides by the area ratio. B is incorrect — force multiplication occurs in hydraulic systems. C is incorrect — this uses an incorrect calculation method.

Answer

500 N

Answer

5 N

Answer

2000 N

Answer

100 N

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