In which of the following diagrams is the torque about point 0 equal in magnitude to the torque about point X in the diagram above? (All forces lie in the plane of the paper.) (A) (B) (D) 2F 300
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- A triangular plate is acted on by three forces, as in the figure. Taking the +z- direction to be out of the screen, calculate the net torque (magnitude and direction) about red point O if d₁ = 2.7 m, d₂ = 1.6 m, F₁ = 27 N, F₂ = 47 N, F3 = 52 N, 02 = 57°, and 03 = 45°. F3 03 27 = d₂ 102 k N.m F2 d₁ F₁In the figure, three forces of the same magnitude are applied to a particle at the origin (acts directly into the plane of the figure). Rank the forces according to the magnitudes of the torques they create about the point P2, greatest first. T1, T2 and T3 are the corresponding torques for forces 1, 2 and 3. Ps P2 F1 O T2 = T3 > T1 O T1 > T2 > T3 O T1 = T2 > T3 T2 T3 > T1 T3 > T2 > T1The figure below shows a fisherman with a fishing pole that makes an angle of 20.0° above the horizontal. The distance from the fisherman's hand to the tip of the pole is L = 1.87 m. A fish is on the line, and it pulls the line with a force of F = 124 N at an angle 37.0° below the horizontal. What is the magnitude of the torque (in N · m) exerted by the fish about an axis perpendicular to the page and passing through the fisherman's hand?
- Suppose you exert a force of 207 N tangential to a 0.275 m radius 75.0 kg grindstone (a solid disk). (Give your answers to at least 2 decimal places.) (a) What torque (in N· m) is exerted? (Enter the magnitude.) N. m (b) What is the angular acceleration (in rad/s²) assuming negligible opposing friction? (Enter the magnitude.) |rad/s2 (c) What is the angular acceleration (in rad/s2) if there is an opposing frictional force of 24.6 N exerted 1.25 cm from the axis? (Enter the magnitude.) rad/s2 Additional Materials O ReadingIn figure forces F1 and F2 have magnitudes 20N and 15N respectively and act on a disk nailed at point P as shown. a) What torque (magnitude and direction) does each of these forces exert on the disk about point P? b) What is the net torque exerted? y 60° m 45° X 6 mText Predictions: On e to search w S 4. Rank the torques in order from largest to smallest: A: mass mo, radius ro B: mass 2mo, radius ro 2Fo Fo Accessibility: Investigate 5 X alt E D || C R F 1 T JL G 6 B H C: mass mo, radius 2ro 7 hp 8 U J N A Fo M D: mass 2mo, radius 2ro fio ( JO O K > O L 2Fo Focus AA CO 441 + = 4- { PUOL Р 46 alt 80°F insert ? 8:40 AM 6/14/202 prt sc backace
- A plum is located at coordinates (-4.0m, 0.0 m, 8.0 m). In unit-vector notation, what is the torque about the origin on the plum due to force F whose only component is Indicated by each of the following equations? (a) Fx = 7.0 N N. m (b) Fy = -3.0 N N.m (c) Fz = 5.0 N N. m (d) Fz = -2.0 N N.mIn the overhead view of the figure, five forces of the same magnitude act on a strange merry-go-round; it is a square that can rotate about point P, at midlength along one of the edges. F1 F2 F₂ Rank the forces according to the magnitude of the torque they create about point P. If multiple forces rank equally, use the same rank for each, then exclude the intermediate ranking (i.e. if objects A, B, and C must be ranked, and A and B must both be ranked first, the ranking would be A:Greatest, B:Greatest, C:Third greatest). If all forces rank equally, rank each as 'Greatest F3 F4 75 F₁ ◆ +A bicycle mechanic is checking a road bike's chain. He applies force FF = 21 NN to a pedal at the angle shown in (Figure 1) while keeping the wheel from rotating. The pedal is 17 cmcm from the center of the crank; the gear has a diameter of 16 cmcm. What is the tension in the chain?
- The diagrams show the application of six different forces to a wrench turning a bolt (blue hexagonal shape on the right). For which diagram(s) is the magnitude of the torque acting on the bolt the largest? (A) i 22 (B) ti (C) i (D) iv 2F JE (E) v (F) vi (G) i and iv 30 2F 30- L. (H) v and vi 2F Force applied to a wrench. In cases (i) and (iii), the force is applied halfway between the axis of rotation of the bolt (blue hexagon on the right) and the end of the wrench. (1) They are all the sameThe body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 12.0 N at point A, 7.70 m from O; FB = 15.0 N at point B, 2.60 m from O; and Fc = 25.0 N at point C, 3.50 m from O. Taking the clockwise direction to be negative, what is the net torque about O? Number i -56.26 Units 160° N•m 90°/ B 135%Can somebody help please ?