Two spring balances S₁ and S₂ read 90 kg-wt and 30 kg-wt inside a lift accelerating upward at 10 m s⁻². The mass between them is stationary relative to the lift. Take g=10 m s⁻². Its mass is:
Physics · Newtons law of motion and Friction · spring balcnce and weighting machine related problem
Two spring balances S₁ and S₂ read 90 kg-wt and 30 kg-wt inside a lift accelerating upward at 10 m s⁻². The mass between them is stationary relative to the lift. Take g=10 m s⁻². Its mass is:
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