Find the error & explain why it is wrong: laural had to find the sin 0. what did she do wrong.
1 answer:
Answer:
Step A is incorrect because Lauren identified the wrong formula for sine(θ). Instead, sin(θ) would be equal to opposite / hypotenuse. Then you can substitute getting: 12/15, and once you simplify you get 4/5 .
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Solutions given:
Velocity ratio V . R =5
effort =500N
efficiency =80%
magnitude of load=?
mechanical advantage [M.A ]
we have
efficiency =M.A/V.R*100%
80=M.A./5*100
80/100*5=M.A
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<h3>
<u>the magnitude of the load is 2000N</u> .</h3>
