saplinglearning.com PHYS 2113 - Fail17- ZOETEWEY: HW: Statics and Torque Jun 15/

Question

saplinglearning.com PHYS 2113 - Fail17- ZOETEWEY: HW: Statics and Torque Jun 15/2017 11:55 PM A 57.4/100 11/5/2017 07:15 PM on 13 of 17 Sapling Learning Gradebo Print CalculatorPeriodic Table Mapdeb Mlost or the motio ngeneratnd toy cons in the human body are asarmples of levers An example of a thard the resistance force. The elbow acts as the pivot point, the biceps muscle pulls up on the point and to move class lever is the forearm; the force which gene rates the motion is located in between the hand with your forearm the mass which is held in the hand. Imagine you are holding an object in your horizontal and your upper arm vertical so your elbow creates a forearm 0.0640 m from the elbow and make an angle of 30.0 in your hand 28.60 cm from the elbow, what force is exerted by the biceps muscle? Ignore the mass of the 90 angle. If your biceps attach to your t with the vertical while a 2.76 kg mass is held forearm. Number

Explanation / Answer

using rotational equilibrium conditions

r1*F1*sin(90-27) = r2*F2*sin(90)

0.064*F1*cos(27) = 0.2860*2.76*9.8

F1 = (0.2860*2.76*9.8)/(0.064*cos(27))

F1 = 135.65 N

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.