Question

Patient is recovering from a rotator cuff injury and is able to perform push-ups on a chair so her body is at a 40 degree angle with the floor (Figure A). Her body weight is 500 N and her center of mass is 0.8 m from her toes. Her goal is to perform a traditional push-up (Figure B). What is the torque due to her body weight when performing the push-up on the chair and performing the traditional push-up?

Figure A: Figure B 0.8 m 0.8 m 409 500 N 500 N

Answer 1

0.8 8rD 500K о-8 Cos 400 Tonte S00N 6 577