Physics
Differentiate between fixed pulley and movable pulley. Give examples if applicable.
Machines
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Answer
| S. No. | Fixed pulley | Movable pulley |
|---|---|---|
| 1. | In a fixed pulley, the pulley is attached to a hook or a wall and doesn't move. | A movable pulley moves with the load. |
| 2. | It changes the direction of the force, but does not amplify it. | It amplifies the force and acts as a force multiplier. |
| 3. | The mechanical advantage of a fixed pulley is equal to 1. | The mechanical advantage of a fixed pulley is greater than 1. |
| 4. | Example: well and flagpole. | Example: cranes and block and tackle pulley in sailing boats. |
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