1. In what way is torque unique? 2. Cite at least three (3) instances where torque is applied at home
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Q: wcred/sec) 183-3 25 128-7 124.1 119.4 75 14.8 125 Ho.2 +50 105.8. 175 lo0.9 200 96-3 260 87-04 243 8…
A: The torque is given by τ=IαI=moment of inertiaα=angular acceleration
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Q: In what way is torque unique?Explain
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- If an object is not rotating, no external torques act on it. A. True B. False13. Calculate the magnitude of the net torque below. a. 29 N.m b. 88 N.m c. 288 N.m d. 145 N.m e. None of the above.1. A bar fixed at point C experiences three forces . The forces F1 , F2 and F3 have respective magnitudes of 23 N , 23 N and 18N . What is the net torque in Nm (including sign ). 2. The wheels , axle, and handles of a wheel-barrow weigh 117 N (W). What is the force F needed to hold the wheel-barrow in equilibrium if its loaded with 220N of dirt.
- 4. The flywheel of an engine has moment of inertia 2.50 kg.m? about its rotation axis. What constant torque is required to bring it up to an angular speed of 400 rev/min in 8.00 s, starting from rest?Explain the concept of torque in your own words.When opening a door, you push on it perpendicularly with a force of 52.5 N at a distance of 0.825m from the hinges. a) What torque are you exerting relative to the hinges?
- 1. Calculate the torque about the origin produced by a constant force of (5i + 4k) N on a particle located (? – 2k) m. 2. Using the same problem in number 2 earlier, determine the resultant torque about point C.4. Three forces are acting on a rectangular block of wood as shown, with a pivot in the lower-left corner. a. Find the torque on the block due to each force. Use the convention where a counterclockwise torque is positive. ΤΑ TB = = TC = + 0.5m pivot 0.2m с A B 30N 20N 10NPractice Problems: Torque Physics 1. A 200 g mass is placed on the meter stick 20 cm from the fulcrum. An unknown mass is positioned 8 cm from the fulcrum to balance the system. What is the mass of this unknown object? Unknown mass T = rx F Page rccw Fulcrum rcw 2. A 250 g mass is placed on the meter stick 30 cm from the fulcrum. An unknown mass is positioned 40 cm from the fulcrum to place the system in equilibrium. What is the mass of the unknown object? 1 / 2 Load: 200-g mass +
- 3. Three forces are applied to a wheel of radius 0.350 m, as shown in the figure. One force is perpendicular to the rim, one is tangent to it and the other one makes a 40° angle with the radius. What is the net torque on the wheel due to three forces for an axis perpendicular to the wheel and pass through its center? Tnet = -0.31 N.m 11.9 N 0.350 m 40.0° 14.6 N 8.50 NWrite down three examples of how to calculate torque.Suppose you apply a torque of 30 N*m on an object. If r= 3m, find the applied force for the following cases: A. r and F are perpendicular B. The angle between r and F is 50 degree