Final answer:
Torsion in physics involves twisting due to torque, illustrated by devices like the torsion pendulum and torsion balance.
Explanation:
Torsion in physics refers to the twisting or rotational movement of an object due to an applied torque.
An example is the torsion pendulum, which demonstrates the concept of torsion through its oscillatory motion.
The torsion balance is a device used to measure very small forces, and was crucial in experiments like those conducted by Cavendish.
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