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1. |
A hydraulic jack is used to compress a spring as shown in fig. stiffness of spring is 105 N/m. By applying a pressure ‘p’ in the hydraulic cylinder, the spring gets compressed by 10 mm. The cross-sectional area of the piston is 25 cm2. The applied pressure ‘p’ is |
A. | 4 × 105 Pascals |
B. | 40 Pascals |
C. | 250 Pascals |
D. | 25 Pascals |
Answer» B. 40 Pascals | |