Pulley Systems | MCQs

Explanation

• Cranes use movable pulleys to lift and move heavy loads.
• The pulleys are attached to a cable or rope that wraps around a drum or wheel.
• It allowing the load to be lifted or moved in a vertical direction.

Explanation

A movable pulley decreases the amount of input force needed to lift a load.

By allowing the user to apply force over a longer distance.

Explanation

• A pulley system is commonly used to raise and lower flags.
• As it allows for a change in direction of the force and makes it easier to lift the flag to a higher position.

Explanation

• A pulley is a simple machine that uses grooved wheels and a rope to raise, lower, or move a load.
• It changes the direction of the force, making it easier to lift or move heavy loads.
• Examples: Raising a load and A flag pulley.

Explanation

Pulley is a wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights.