Determine A. the force on ab B. the force on bc C.the torque on abcd
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Determine
A. the force on ab
B. the force on bc
C.the torque on abcd
Step by step
Solved in 3 steps with 3 images
- A constant net torque is applied to an object. Which one of the following will NOT be constant? A. All the above are constant B. Angular acceleration C. Moment of inertia D. Center of gravity E. Angular velocityA force F is applied perpendicular to a rod at a distance l away from the axis of rotation. Which of the following is TRUE about the torque on the rod? Explain why.A. Torque is parallel to force FB. The longer the lever arm, the smaller the torque. C. When the magnitude of F is doubled, the torque is halved. D. Torque is perpendicular to the lever armIf an object is in equilibriuim, the net torque about any arbitrary axis must be zero. A. True B. False
- 4. Describe what is meant by moment of inertia. What variables does it depend on? What role does it play?3. A thin rod is free to rotate without friction about a fixed axis at Point A. The other end (Point B) is attached to a (massless) cable at an angle of 45° relative to the rod. a. Initially the rod is being held stationary in a horizontal position. What is the force, F, in the cable? What are the forces that the support is putting on the rod at Point A? Thin Rod m= 18 kg L=3m W₁ = 0 α1 = 0 Thin Rod m= 18 kg L=3m F₁ = ? a₂ = ? 45° b. The force, F, is suddenly changed to 200 N. What is the angular acceleration of the rod just after the force is changed? What are the forces that the support is putting on the rod at Point A now? = 200 N 45° B W₂ = 0 BA.it experiences a net tangential force B.its momentum points toward the center of the loop Please tell me if it's correct or wrong