Pulley Quiz

What is a pulley?

• A cooking utensil

• A simple machine

• A musical instrument

• A type of vehicle

What is the main function of a pulley?

• To generate electricity

• To make noise

• To change the direction of the effort

• To rotate freely

What is the purpose of a fixed pulley?

• To increase the force

• To change the direction of the effort

• To move the load in the same direction as the effort

• To reduce the required effort

How does a fixed pulley simplify work?

• By aligning the effort with Earth's gravitational force

• By increasing the distance over which effort is applied

• By reducing the load attached to one end

• By moving the load in the opposite direction of the effort

In a movable pulley, which direction does the wheel move with the load?

• Downwards

• Upwards

• Same direction as the load

• Opposite direction of the load

What is the effect of a movable pulley on the required effort?

• It changes the direction of the effort

• It has no effect on the required effort

• It increases the required effort

• It reduces the required effort

How does a pulley system alter the direction of the effort?

• By increasing the force

• By reducing the required effort

• By extending the distance over which effort is applied

• By changing the load attached to one end

What is a common example of a pulley system?

• A cooking stove

• A skateboard

• A construction crane

• A bicycle

What unique benefits do pulleys offer depending on the configuration?

• Adjusting the temperature

• Adjusting the direction of effort

• Adjusting the color

• Adjusting the size

What is the practical application of a pulley system in an elevator?

• To make noise

• To rotate freely

• To lift and lower the cabin effortlessly

• To generate electricity