, 08.05.2022 17:15 kuanjunjunkuan

# Ed, Edd and Eddy love to play on a seesaw. It consists of a 1-kg board with a length of 8 meters. One day, the other end broke down. They had to cut it by a meter and maintain the pin support in its original position. Then, they tried the seesaw altogether. Ed (m = 55kg) sat on one side about 3m from the pin while Edd (m = 40kg) and Eddy (m = 40kg) on the other side. If Edd was about 3m as well from the pin, calculate the following: The manitude of the reaction force (N) exerted by the pin support on the board. Assume Eddy is in between Ed and Edd. (mass of board = 1kg)

### Another question on Physics

Physics, 30.10.2019 09:28
Two blocks of masses 22 kg and 9 kg are connected together by a light string and rest on a frictionless level surface. attached to the 9-kg mass is another light string, which a person uses to pull both blocks horizontally. if the two-block system accelerates at 0.7 m/s2, what is the tension in the second string attached to the 8-kg mass?