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Kiara Singh

When a boy sits on a rotating round table, the angular velocity will decrease. This decrease occurs due to the conservation of angular momentum. The addition of mass increases the moment of inertia, causing a reduction in angular velocity to ...

Kiara Singh

When the girl stands up from swinging in a sitting position, the time period of the oscillations will increase. This change occurs because her center of mass rises, altering the swing’s dynamics. As a result, the swing takes longer to ...

Kiara Singh

Due to the accumulation of Lactic acid in the muscles, a person feels tired. Lactic acid buildup occurs during intense physical activity when oxygen supply to the muscles is insufficient, leading to fatigue and muscle soreness.