Question

What force (in Newtons) is required in only one of the shoulder joints (tendons) of both arms of a person, if such a person is grasping and holding with both hands the wheelbarrow handles with the wheelbarrow (wb) having a total mass load of 116 kg? The wb handles and support to the pivot wheel is 1.5 meters. The distance from wb center gravity to wheel pivot is 0.47 meters. The acute angle formed between the wb handles-support to the the wheel pivot and the horizon is 3 degrees. The acute angle formed between the man's hands-arms grasping the handles of the wb and the horizon is 83 degrees.

Answer 1