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प्रश्न
In the diagram shown calculate the resistance (R) offered by the walnut when an effort of 30 N is applied.
संख्यात्मक
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उत्तर
Load arm = 5 cm
Effort arm = 20 + 5 = 25 cm
Load × Load arm = Effort × Effort arm
R × 5 cm = 30 N × 25 cm
R = 150 N
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