a metre stick suspended from its centre of gravity which is at its midpoint.A force of 3N acts on the stick at the 90cm marck and a force of F newtons acts on the stick at 20cm marck. calculate force F.
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a metre stick suspended from its centre of gravity which is at its midpoint.A force of 3N acts on the stick at the 90cm marck and a force of F newtons acts on the stick at 20cm marck. calculate force F.
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- Sam and Joe carry a beam, walking to the right. Calculate the force that Sam exerts, in pounds. The beam's weight is 163 lb. The beam's length is 22 ft. Sam is 5 ft from the back. Joe is 5 ft from the front.To strengthen his arm and chest muscles, a 79-kg athlete 2.0 m tall is doing a series of push-ups as shown in the figure below (Eigure 1). His center of mass is 1.15 m from the bottom of his feet, and the centers of his palms are 30.0 cm from the top of his head. Figure -2.0m 1 of 1 30.0 cm Find the force that the floor exerts on each of his feet, assuming that both feet exert the same force. Express your answer in newtons. F= Submit Part B F= [5] ΑΣΦ Submit Request Answer Find the force that the floor exerts on each of his hands, assuming both palms exert the same force. Express your answer in newtons. 1971 ΑΣΦ Request Answer ? N NDetermine the height h above the base B at which the resultant of the three forces acts. 230 lb 29" 560 lb 29" 260 lb 29" Answer: h= i B in.
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