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Simplemachines1
- 1. Wheel Lever and Axle Pulley Screw Wedge Inclined Plane
- 2. Simple machines areuseful because they can make a physical job easier by changing the magnitude or the direction of the force exerted to do work.
- 3. Have you evertried to unscrew a nut, bolt, or screw from something with your bare hands and discovered that it was just too tight to loosen even if you had a good grip?
- 5. You got theproper tool, such as a screw driver or wrench, and unscrewed it!
- 6. Why is itthat it's so easy to unscrew with a tool when you can't with your bare hands?
- 7. The wrench andscrew driver are examples of a wheel and axle, where the screw or bolt is the axle and the handle is the wheel. The tool makes the job easier by changing the amount of the force you exert. Wheel Axle
- 8. All of thesimple machines can be used for thousands of jobs from lifting a 500-pound weight to making a boat go. The reason why these machines are so special is because they make difficult tasks much easier.
- 10. Click Here to Learn More Lever Load Fulcrum
- 11. Click on the dudeto learn more.
- 12. A screw isan inclined plane wrapped around a post. Click on the light bulb to learn more.
- 13. Two inclined planes makea wedge. Try to catch the saw to learn more.
- 14. Wheel Axle Click on the windmill to learn more.
- 15. Wheel Rope This box is easier to lift because of the pulley. Click on it to learn more.
- 16. Have you learnedit all yet? Let’s look at a worksheet to see. Click Here
- 17.
- 18. Now it’s timeto link to Inspiration. When you get there, all of the simple machines are shown. Create some clouds around each picture and add some examples for each simple machine. Click below to begin.