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Question 18 Which of the following would increase the mechanical advantage of an inclined plane? Best Inclined Plane GIFs | Gfycat a increasing the incline of the plane b increasing the length of the plane c you cannot increase mechanical advantage d decr...

Question 20 Machines were invented to have a mechanical advantage, so the work output is always __________ than the work input. a less b all of the above c greater d harder

Question 21 By sharpening a wedge, you _______________ the machine’s mechanical advantage. a Increase b Do not affect c Decrease d Lose