The mechanical advantage of another oar is $3.00$ . If the resistance force of the water is $35.0 l b$ , what is the effort force exerted by the rower?

11.7 lb

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0.0857 lb

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105 lb

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32.0 lb

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Solution

The correct option is A 11.7 lb
The $e f f o r t = \frac{M A}{l o a d} = \frac{35 l b}{3} = 11.7 l b$

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The mechanical advantage of another oar is 3.00. If the resistance force of the water is 35.0 lb, what is the effort force exerted by the rower?

The correct option is A 11.7 lbThe effort=MAload=35lb3=11.7lb

The mechanical advantage of another oar is $3.00$ . If the resistance force of the water is $35.0 l b$ , what is the effort force exerted by the rower?

The correct option is A 11.7 lb
The $e f f o r t = \frac{M A}{l o a d} = \frac{35 l b}{3} = 11.7 l b$