A machine works as a (i) force multiplier, (ii) speed multiplier. In each case state whether the velocity ratio than or less than 1.

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Solution

(i) Force multiplier - Velocity ratio is greater than 1

(ii) Speed multiplier - Velocity ratio is less than 1

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Q. A machine works as a force multiplier if its velocity ratio is

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(d) A machine can have the mechanical advantage greater than the velocity ratio.

Q. (i) In what way does an 'Ideal machine' differ from a 'Practical machine'?
(ii) Can a single machine act as a force multiplier and a speed multiplier at the same time?

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A machine acts as a force multiplier and a speed multiplier simultaneously.

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Velocity Ratio

Standard X Physics

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A machine works as a (i) force multiplier, (ii) speed multiplier. In each case state whether the velocity ratio than or less than 1.

(i) Force multiplier - Velocity ratio is greater than 1 (ii) Speed multiplier - Velocity ratio is less than 1

(i) Force multiplier - Velocity ratio is greater than 1

(ii) Speed multiplier - Velocity ratio is less than 1