A) Acceleration of mass M2 B) Speed of M2 after 4 seconds C) when M2 moves 4.6 m how far does M1 move. Thank you
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- You have been selected as a potential intern in a construction company in Aqaba, Jordan. For evaluation purposes, you were asked to answer the following question. Two wooden boxes are moving on an inclined surface as shown in Figure 2. Wooden Воx A Non- Frictional Surface Non- Frictional Surface Figure 2: Wooden Boxes Answer the following questions using the D'Alembert's principle. Note that the mass of box A is M1 and the mass of box B is M2. 1. Find the tension in the rope, in terms of M1 and M2. 2. Calculate the acceleration of the wooden boxes, in terms of M1 and M2. Wooden Box3. An object (mass 300 kg) is at rest on a horizontal surface where the coefficient of static friction is (4,). %3D The force F (directed at 0-53.13°)is applied in order to set the object into motion along the surface. If F must have a minimum magnitude of 9500N in order to set the object into motion, what is the coefficient of static friction (µ,) between the object and the horizontal surface? a. 0.72 b. 0.88 c. 0.54 d. 0.66 e. 0.48Principle of Work and Energy for a System of Particles Learning Goal: The two blocks shown have masses of mA = 43 kg and mp = 78 kg. The coefficient of kinetic friction between block A and the inclined plane is 0.14. The angle of the inclined plane is given by = 35°. Neglect the weight of the rope and pulley (Figure 1) Figure 88°F Clear 1 of 1 S
- A crate of 69 kg simply stands on the moving cart with constant acceleration a. The height from the center of gravity to the cart, L, is 1.4 m, and the angle = 13°. What is the maximum acceleration a (in m/s²) the cart can have without sliding on the cart? The coefficient of static friction between the crate and the cart is μl g = 0.51. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point. Take g = 9.81 m/s². 0.5 m 0.5 m L Your Answer: Answer GLearning Goal: To use the equations of motion as they relate to linear translation of an object to determine characteristics about its motion. The car shown has a mass of m= 1500 kg and a center of mass located at G. The coefficient of static friction between the wheels and the road is us = 0.250. The dimensions are a = 1.25 m, b = 1.75 m, and c = 0.310 m. Assume the car starts from rest, the wheels do not slip on the road, and that the car experiences constant acceleration. Neglect the mass of the wheels.(Figure 1) Figure b→ L. B 1 of 1 Determine the shortest time it takes the car to reach a speed of v= 80.0 km/h, starting from rest, if the engine drives only the rear wheels. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) t = Submit Value t = Part B - Shortest Time to Reach a Given Speed with Front-Wheel Drive μA Determine the shortest time it takes the car to reach a speed of v= 80.0 km/h, starting from rest, if the engine…pls send me answer of this question all the parts pls and i will rate you sure, pls solve a,b,c and d and also a and b A 200-kg dragster (racing car) exerts a constant force of 4000 N during a race. The coefficient of kinetic friction between the tires and the pavement is .15. If the drag strip is 1000 m long, determine:a. The net force on the dragster. b. The acceleration of the dragster. c. The time it takes for the dragster to finish the race.d. The dragster's velocity at the end of the race.The dragster now needs to slow down, so it opens a parachute. The force of air drag is 3500 N. The driver also locks the brakes of the dragster, and the coefficient of kinetic friction becomes .75. Determine:a. How long it will take to stop the dragster.b. The distance the dragster travels while stopping.
- F(t) Force_Crate Known values: Mass of Block 68 kg TT Hs μk 0 0.63 0.53 26° Problem Statement: A crate is initially at rest on a sloped surface, when a force is applied: F(t) where t is in seconds. Answers: When t=44.47 seconds, the crate has not yet started moving. Find the magnitude of the friction force at that time: 317.771 N The direction of the friction force at that time is: down the slope Find the time required for the crate to start moving: Find the crate's speed when t=174.9 s: 9.485 m/s Be sure to include units with your answers. 169.756 S 240+0.2 N,kihetic friction), f = µN. f is directed opposite to the relative velocity. Example 3.4 Block and Wedge with Friction A block of mass m rests on a fixed wedge of angle 6. The coefficient of friction is u. (For wooden blocks, u is typically in the range of 0.2 to 0.5.) Find the value of 6 at which the block starts to slide, and the acceleration X when it slides. In the absence of friction, the block would slide down the plane; hence the friction force f points up the plane. With the coordinates shown, we have m.X=W sin 6-f and SHOT ON MI A2 MI DUAL CAMERA mỹ = N-W cos 0 2021/4/2 19:2701/ A porter governor its central load is 18 kg and the weight of each ball is 2 kg. The top arms are 25 cm while the bottom arms are each 30 cm long and all arms pivoted on the axis of Governors (Homework's) tation. The friction of the sleeve is 14 N. If the top arms make 45° with the axis of rotation in equilibrium position, find the speed of the governor at that position. 021 The four arms of a proell governor are 300 mm long and are pivoted on the axis of rotation. Fach ball weight 5 kg and is carried on an extension 100 mm long of the lower arms. The central load on the sleeve is 80 kg. Calculate the equilibrium speed of the governor to radius of rotation of 150 mm when the extension arm is vertical. Q3/ A porter governor has equal links, each 250 mm long pivoted at the axis of rotation, each ball is of mass 4 kg and the mass of the central load is 15 kg. The governor begins to lift when the ball radius is 150 mm. It has a maximum speed at a radius of 200 mm. Determine the maximum…
- A crate of 67 kg simply stands on the moving cart with constant acceleration a. The height from the center of gravity to the cart, L, is 1.2 m, and the angle = 12°. What is the maximum acceleration a (in m/s²) the cart can have without tipping over on the cart? The coefficient of static friction between the crate and the cart is μg = 0.55. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point. Take g = 9.81 m/s². 0.5 m 0.5 m L Your Answer: ● 0 Answer GLearning Goal: To be able to set up and analyze the free-body diagrams and equations of motion for a system of particles. • Part A - Finding the acceleration of the mass on the inclined plane Consider the mass and pulley system shown. Mass m- 39 kg and mass my = 15 kg The angle of the inclined plane is given, and the coeficient of kinetic friction botween mass my and the incined plane is a-0.12 Assume the pulleys are massless and frictionless. (Eigure 1) What is the acceleration of mass mg on the indined plane? Take positive acceleration to be up the ramp Express your answer to three significant figures and include the appropriate units. > View Available Hint(s) ? Figure 1 of 1> Value Units Submit Previous Answers X Incorrect: Try Again: 4 attempts remaining • Part B-Finding the speed of the mass moving up the ramp after a given time P Type here to search 83°F Mostly clear A O 8 ENG v?assignmentProblemID=13281351 v(3 s) = Value Units Submit Part C - Finding the distance moved by the…Consider the system shown below. Block A weighs 95.0N and block B weighs55.0N. Once block B is set to downward motion, it descends at a constant speed.A) Calculate the coefficient of kinetic friction between block A and the tabletop.B) A dog, also of weight 95.0N, Falls asleep on top of block A. If block B is now setinto downward motion, what is its acceleration (magnitude and direction)?