calculate how strong the tension force

  1. A painter is on a Scaffolding which is tied to the top of the building. The painter weighs 70kg and the board underneath him weighs 30 kg. Draw a free body diagram for the situation and calculate how strong the tension force is on the ropes tied to the top of the building.

2. A child puts their dog in their wagon and starts pulling. They pull on the wagon with 20 Newtons of force.  The wagon weighs 15 kg and the dog weighs 30 kg. How much do they accelerate the wagon? Draw a free body diagram.

3. A sailboat is pushed forward by the wind.  The sailboat has a mass of 1300 kg and it is accelerating at 10 ms2.  What is the force of the wind on the sails?  Draw a free body diagram.

 

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