63. A metal bell hangs from a chain at the top of the tower. The forces acting on the bell are * Normal force and Weight O Tension and Weight O Friction and Tension Friction and Normal force
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- The leg and cast in Figure P4.40 weigh 220 N (w1). Determine the weight w2 and the angle needed so that no force is exerted on the hip joint by the leg plus the cast. Figure P4.408. In order to drag a 100 kg log along the ground at uniform velocity you have to pull on it with a force F = 300 N E. What is the resistive force exerted by the ground on the log?2. A 10-kg body is suspended by means of a string. Another string is attached to the bottom of the body and a 5-kg body is suspended from the lower end of the lower string. Find the tension in each string. 3. Two strings support a small 8-kg body. Find the tension in the strings if they both make 30o with the vertical. 4. A weight of 100 newton is suspended by means of a string. It is then pulled aside by a horizontal force until the string makes an angle of 37o with the vertical. Find the tension in the string and the horizontal force for this equilibrium position. 5. The following three forces act on a particle: 30 N at 30o with the x-axis, 50 N at 135o with the x-axis, and 20 N along the negative x-axis. Find the fourth force on the particle which will keep it in equilibrium. 6. Two forces which are equal in magnitude act on a body. To keep the body in equilibrium, a third force which is equal in magnitude to each of the two forces is required. What is the angle between the two…
- 11. Calculate the tension exerted by the string. Neglect force by air and friction force. m2 20 kg m1-10 kg 30 4510. An object with weight W is dragged along a horizontal plane by a force acting along a horizontal plane by a force acting along a rope attached to the object. If the rope makes an angle e with the plane, then the magnitude of the force is F = u sin 0 + cos 0 where u is the coefficient of friction a. Find the rate of change of F wrt 0. b. The value of 0 at maximum or minimum value of F.4. (Spts) A Shopee delivery man named lan is dragging a trunk up the loading ramp of the delivery truck. The ramp has a slope angle of 20.0°, and lan pulls upward with a force (F) whose direction makes an angle of 30.0° with the ramp. a.) How large a force (F) is necessary for the component Fx parallel to the ramp be 75.ON? b.) How large will the component Fy perpendicular to the ramp be?
- Question 1 A250 g container hangs at rest from two strings. The rope under tension T2 is directed at an angle A = 32° from the horizontal direction as shown. What are the tensionsT and 2 (n t)nee T, O 400 and 470 O 4 and 4.7 200 and 320 O Both are 5 O 2 and 3.219. Block B, with mass 5.00 kg, rests on block A, with mass 8.00 kg, which in turn is on a horizontal tabletop. There is no friction between block A and the tabletop, but the coefficient of static B A friction between blocks A and B is 0.750. A light string attached to block A passes over a frictionless, massless pulley, and block C is suspended from the other end of the string. What is the largest mass that block C can have so that blocks A and B still slide together when the system is released from rest? C2. You hang an object by means of a vertical string. Two strings in turn support this string. String 1 and string 2 make 20° and 60° with the horizontal beam, respectively. Find the tensions in the strings if the mass of the object is 75.0 kg.
- . A person pushes against a wall. Assuming the wall does not move, describe the equal and opposite forces involved.2. A 2 kg box is suspended in the air. Attached to each corner of the box is a rope. All 4 ropes are the same length and are attached to 1 point in the ceiling. Draw the FBD of the box and find all the forces acting on it. 3 A 1 5 00-kg car starts from rest and takes 10s to reach a sneed ofIt an obiect is at rest, then there are no forces acting upon the obiect. a.)True b.)False