Simple Machine Pulleys

What must a pulley have ?

• a rope

• wheel

• axle

• all the above

What is this part of pulley?

• Axle

• Groove

• Rope

• Wheel

What is this part of pulley?

• Axle

• Groove

• Rope

• Wheel

What is this part of pulley?

• Axle

• Groove

• Rope

• Wheel

What is this part of pulley?

• Axle

• Groove

• Rope

• Wheel

Identify the type of pulley above.

• fixed pulley

• movable pulley

• compound pulley

How do fixed pulleys make work easier?

• they change the direction of a force

• they change the amount of force required

• the distance over which the force is applied

• the measurement of an object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which of thefollwoing is a good definition for a pulley?

• a simple machine that uses a grooved rope to move a load

• a simple machine that uses a rod, fulcrum. load and effort to move things

• a simple machine that uses a rope, chain, or belt

How do pulleys make work easier?

• they change the direction of a force

• they change the amount of force required

• the distance over which the force is applied

• the measurement of an object

Which one is an example of a pulley system?

• an ax

• a ramp

• an elevator

• a see-saw