-) Figure 1 show a 35 kg box is move on a frictionless surface with the force of 65 N at an angle of 39°. F1=65 N a 39° Figure 1 i. draw the free body diagram. ii. determine the acceleration of the box. iii. determine the normal force acting on the box.
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- That same 80 kg object is sliding across the table because you are applying a force of +300 N. If the coefficient of friction is 0.3, Determine the NET Force acting on the object, if any. Again, I would draw the free body diagram for this question. O a. +240 N b. +60 N C. -60 N d. -240 NA 1.40-kg object A is connected with a string to a 2.80-kg object B, which is connected with a second string over a massless, frictionless pulley to a 5.60-kg object C. The first String 2 two objects are on a frictionless inclined plane that makes an angle 0 = 30.0° with the horizontal, as shown in the figure. String 1 A Calculate the acceleration a of the masses. a = m/s? Calculate the tension T¡ in String 1, which connects object A and object B. T = Calculate the tension T, in String 2, which connects object B and object C. T2 = N2. Two crates connected by a rope lie on a horizontal surface as shown in the figure below. Crate A has mass mA-5 kg, and crate B has mass me 10 kg. The coefficient of kinetic friction between each crate and the surface is u 0.55. The crates are pulled to the right at constant acceleration a-2 m/s² by a horizontal force F. Draw one or more free-body diagrams to calculate the following (a) the magnitude of F(b) the tension in the rope connecting the blocks.
- b) A 4 kg block is pulled along a rough inclined plane by a force of 71 N as shown in Figure 2. Given the coefficient of friction between the block and inclined plane is 0.4. i. Draw a free body diagram. ii. Calculate the acceleration of the block. 37⁰ Figure 26. A horizontal pull force of 35 N is required to just start a 6 kg box moving across a horizontal concrete floor. a) Draw the free-body diagram of the box, showing all of the forces acting on the box. b) What is the coefficient of static friction,μs, between the box and floor? c) The 35 N pull force continues, but now that the box is moving, it accelerates at constant a = 0.6 m/s². What is the coefficient of kinetic friction,μk?5. (5pts) A loaded elevator with very worn cables has a total mass of 2200 [kg], and the cables can withstand a maximum tension of 28,000 [N]. a. Draw the free-body force diagram for the elevator.In terms of the forces on your diagram, what is the net force on the elevator? Apply Newton's second law to the elevator and find the maximum upward acceleration for the elevator if the cables are not to break. b. What would be the answer to part (a) if the elevator were on the moon, where g = 1.62 [m/s-1?
- Objects 1 and 2 are shown below. Object 1 has mass 20 kg, object 2 has mass 9 kg, and the kinetic coefficient of friction for object 1 on the table is 0.3. If object 1 is pushed so that it is moving away from the pulley, then find the magnitude of the acceleration of each mass and the tension in the string. motion m2 8. acceleration magnitude D. 5.304 m/s? E. 5.069 m/s F. 4.355.m/s A 4.101 m/s? В. 4.813_m/s C. 4.532.m/s? |--/ 9. tension А 38.93_N D. 44.01 N В. 46.13.N E. 41.2_N C. 42.58 N F. 48.44 N /--/1. Two forces act on a 25 kg cart. One force has a magnitude of 30 N and is directed east. The other force has a magnitude of 25 N and is directed at an angle of 45° north of east. (Draw free-body diagram here) a. What is the net force on the cart? (Include direction.) b. What is the acceleration of the cart?1. Martha is pushing a 35 kg chair across the floor. The coefficients of friction between chair and floor are us = 0.70 and µ = 0.40. a) How hard does she need to push horizontally to just start the chair moving? b) If she applies this same force once it is moving, what is the resulting acceleration? Draw the free-body diagram for this situation. Ssttad bodiam er oct bad guy he