The see-saw in the diagram below is balanced. What is the weight of the object on the right?

A boy of weight 600 N sits on the see-saw as shown at a distance of 1.5 m from the pivot. Another boy with a weight of 400 N sits at the other end to balance the see-saw. What distance should the 400 N boy sit so that the see-saw is perfectly balanced?

A meter stick is supported at the 50-cm mark. A 0.40 kg mass is hanging at the 20 cm mark and a 0.60 kg hanging at the 80-cm mark. Where should a third mass that weighs 0.30 kg be hung to keep the stick balanced?

Leo has a balance, and he's playing around with some weights and wooden blocks. He eventually gets the two sides to balance with 6 blocks and a 200-ounce weight on one side and 2 blocks and a 500-ounce weight on the other side.How much does each wooden block weigh?Simplify any fractions. ounces

An object is suspended by two ropes. One rope has a tension of 410 N at an angle of 60 to thehorizontal. The other rope has a tension of 210 N at an angle of 10 to the horizontal.ropes10
60
410 N210 NobjectThe object is in equilibrium.What is the mass of the object?A 40 kg B 42 kg C 390 kg D 410 kg

A seesaw has a heavier friend on one side and a lighter friend on the other. Where should the lighter friend sit to balance the seesaw? Why?