Pulleys Quiz

Pulley is a simple machine that uses .............. to raise, lower, or move a load.

• grooved wheels and a rope

• a rope and a ladder

• grooved wheels and a spoon

• a fork and a knife

A ............................. is attached to a hook or a wall and does not move.

A ................. uses a pulley system to lift heavy items, such as an engine out of a car

• mechanic

• plumber

• teacher

A mechanical Advantage is

• the factor by which a machine (Pulley) multiplies the force put on it

• is of no use and has no advantage to pulleys

A load refers to

The term force means

• the force that a person applies in order to move a load

• the things being lifted

• two or more pulleys combined together.

Which type of pulley system makes movement easier?

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one movable pulley is attached to a load of 18 kg. How much effort do you need to lift the load?

• 32kg

• 9kg

• 18 kg

• 4.5 kg

one movable is attached the load, one fixed pulley is attached to a structure. the load being lifted is 50 kg. How much effort it would take to lift the load.

• 50 kg

• 25 kg

• 12.5 kg

• 75 kg

The mechanical advantage of the last question is

• 2

• 4

• 3

• 1