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Similar to Simple Machines
Similar to Simple Machines (20)
Simple Machines
- 2. MACHINES Work is …………………….…… What is a machine?........ Why use machines?.........
- 7. TYPES OF WORK A.INPUT work that goes into the machine needs effort force
- 8. B. OUTPUT Work done by the machine Resistance Force
- 9. Machines do not increase work output “ Work output is never greater than work input”
- 12. What is Mechanical Advantage? Number of times a machine multiplies the effort force Tells how much force is gained by using machine
- 13. Mechanical Advantage = Output Force Input Force Examples: Inclined Plane: M.A. = Load Effort = 5N/0.2N = 25 Pulley: M.A. = Load Effort = 6.5N/1.5N = 4
- 20. Second Class Lever The difference from the first class lever is that the fulcrum is on the end, instead of in the middle.
- 33. WEDGES - A wedge is a simple machine shaped like an inclined plane . - It is like a portable inclined plane .
- 38. WHEEL AND AXLE - made up of two circular objects of different sizes Smaller Object (axle) Larger Object (wheel)