Simple Machine: Pulley, Wheel and Axle, Lever

Match the example to the simple machine.

• WHEEL AND AXLE

• 
• LEVER

• 
• PULLEY

• 

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S4P3.c

Match the description to the simple machine.

• LEVER

• A grooved wheel that holds a rope. It helps move things. Some examples are a tow truck and a flagpole.

• PULLEY

• Makes it easier to push or pull something. A car and a wheelchair are two examples.

• WHEEL AND AXLE

• A bar that sits on a fulcrum and is used to help move something. Some examples are wheelbarrow and a seesaw.

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S4P3.c

Match the following effects of forces to the correct simple machine.

• PULLEY

• Changes the amount of force needed

• LEVER

• Transfers the force from one area to another area

• WHEEL AND AXLE

• Change the direction or the amount of force needed

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S4P3.c

Imagine you're a superhero, and you're lifting a car to save someone. In this scenario, what would the car be considered?

• Load

• Fulcrum

• Force

• Work

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S4P3.c

Imagine you're a superhero! Your superpower allows you to move objects over a distance using your force. What would this superpower be called in physics?

• Work

• Simple machines

• Fulcrum

• Load

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S4P3.c

Imagine you're playing on a seesaw. What would you call the fixed point that keeps everything balanced?

• A magical seesaw device

• The effort you put in to push down

• The fulcrum, of course!

• The weight of your friend on the other end

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S4P3.c

Imagine you're a superhero and you have a single pulley as your secret weapon. How does it make your superhero tasks easier?

• Does it increase the speed of your super force?

• Does it change the direction of your super force?

• Does it decrease the amount of super work needed?

• Does it change the amount of super force needed?

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S4P3.c

Imagine you're a teacher and you've been asked to move your classroom to the other side of the school. You want to make this task as fun and easy as possible. Which simple machine would you choose to turn this task into a fun activity?

• Would you use a pulley to create a fun game of moving all the classroom objects from one place to another?

• Would you use a lever to make a mini adventure of lifting and moving the classroom objects from one place to another?

• Would you use a wheel and axle to smoothly roll the classroom objects from one place to another?

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S4P3.c

Imagine you're a detective on a mission! You stumble upon a device that's made up of just a few parts and it makes your work easier. What do you think it is?

• A slippery surface

• A simple machine

• A mysterious force

• A balancing act

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S4P3.c

In the image below, a man is using a hammer claw to remove a nail from a post.

In this example, what kind of simple machine is the hammer?

• Pulley

• Lever

• Wheel and Axle

• Screw

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S4P3.c