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a halb0loe avould youret whisf into a uverfeim moon a bayakle fasci cy thite ugh, the colte ěľ nnans o the unuladtaquiMisl ov |
Answer» <p>The centripetal acceleration in a wheel arise due to the internal elastic forces which in pairs cancel each other. So the system remains in equilibrium during rolling. [i] In a half wheel, the system is not symmetrical so, direction of angular momentum does not coincide with the direction of angular velocity and hence an external torque is required to maintain the rotation.</p> <p>thank you so much for this help</p> | |