The Fig. Q1b below shows forces F1, F2 and F3 acting on a particle P. Determine the resultant force R. F2 13 kN F1 60 30 7 kN 20 F3 11 kN
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- Two crates, A and B, sit at rest side by side on a frictionless horizontal surface. The crates have masses mA and mB. A horizontal force F is applied to crate A and the two crates move off to the right. Draw the free-body diagram for crates A and B.q1 = q2 = q3 = 1 x 10⎻9 C q1, (0, 1 m) q2, (0,-1 m) q3, (1 m, 0) Net force on q3,in vector form 1. find F13-x, F13-y 2. find F23-x, F23-yTwo forces, F1 and F2, act at a point. F1 has a magnitude of 8.60 N and is directed at an angle of 55.0∘ above the negative x-axis in the second quadrant. F2 has a magnitude of 5.60 N and is directed at an angle of 52.1∘ below the negative x-axis in the third quadrant. a. what are the x and y components of the resultant force? b. What is the magnitude of the resultant force?
- 35. QIC (a) Find the tension in each cable supporting the 6.00 × 10²-N cat burglar in Figure P4.35. (b) Suppose the hori- zontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? 37.0° 600 N Figure P4.35How many forces act on object B of the following figure A b D 1 2 3 4 O More than 4 B.What is the direction of the net Force (F= F₁+F₂), measured in degrees in CCW direction from the +x axis? F₂=18N 50 y 30° F=30N x
- A 150-N bird feeder is supported 60° 30° by three cables as shown in Figure P4.39. Find the tension in each cable. Bird food Figure P4.39Forces A, B and Care applied at the origin in the directions indicated in the figure below. A has a magnitude of 22 N and is 40 above the positive X-axis. B has a magnitude of 25 N and is 60* above the negative X-axis. The forces are in equilibrium. 0 15 N B -10 60 20 15 8 10 int D 4 8 3 8 3 45- 20 25 30- C 435 N The magnitude of the components of A are most nearly (enter as positive): |A₂| N and A The magnitude of the components of B are most nearly (enter as positive): B₂ N and B The magnitude of force Čapplied at the origin required to balance the system is most nearly: N to th The angle of force from the negative X-axis as indicated is most nearly: 409 TO BE fast 75Determine the force Q-> when the block moves with constant velocity. Express your answer in vector form.
- Three forces are exerted on an object placed on a tilted floor. The three forces aredirected as shown in Figure E2.1 . If the forces have magnitudes F1 = 1.0 N, F2 = 8.0 N andF3 = 7.0 N, what is the component of the net force Fnet = F 1 + F2 + F3 parallel to the floor?Determine the magnitude of the resultant force FR = F1+F2 in Newtons. Consider 0 = 35 degrees and F2 475 N. 65 0 45 F2 F₁ = 700 N uBlock 1 with mass 66 kg is sitting on a horizontal frictionless surface as shown below. It is attached to a string of negligible mass that goes over a pulley with negligible mass and negligible friction. The other end of the string is attached to block 2 with mass 254 kg. Find the magnitude of the common acceleration of the two blocks! A. a = 37.75 m/s² B. a = 13.25 m/s² C. a = 5.76 m/s² D. a = 0 m/s² E. a = 7.79 m/s² 1 2