1. A father and his son are supposed to carry a load of 500 N. They decided to use a pole (of uniform mass distribution) 4.0 m long and weighing 60N. They support the pole at the ends. Where should the load be placed so that the father supports three times as much weight as his son?
1. A father and his son are supposed to carry a load of 500 N. They decided to use a pole (of uniform mass distribution) 4.0 m long and weighing 60N. They support the pole at the ends. Where should the load be placed so that the father supports three times as much weight as his son?
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Please answer 1 and 2. Thank you so much.
Transcribed Image Text:1. A father and his son are supposed to carry a load of 500 N. They decided to use a
pole (of uniform mass distribution) 4.0 m long and weighing 60 N. They support the
pole at the ends. Where should the load be placed so that the father supports three
times as much weight as his son?
2. A uniform ladder rests against a smooth wall so that it makes an angle of 60° with
the ground. The ladder is 10.0 m long and weighs 150 N. How far can a 250 N child
go before the ladder slips? The coefficient of friction between the ladder and the
ground is 0.4.
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