If mass A and B are both 2.5 kg, mass A is 1.0 m to the left of the fulcrum, mass B is 0.5 m to the right of the fulcrum, and the bar weighs 1.0 kg, what is the initial torque on the bar? a. 12.26 Nm c. -12.26 Nm b. 4.46 Nm d. -4.46 Nm

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.