Double click to edit image F Based upon this force diagram, is this block at equilibrium? How do you know? [ ] Observe the following 4 free-body diagrams:
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- For the machine element shown, locate the y coordinate of the center of gravity.A 1200 kg car is traveling towards a hill at a speed of 25.3 m/s when suddenly the car runs out of gas to what vertical hight in meters is the car able to coast up the hill before coming to a stop(2) The box with M = 40kg shown below is being pulled by two pulleys exerting forces F₁ = 400 N (0₁ = 60°) and F₂ = 200 N (0₂= 15°) up an incline with an angle 0₁ = 30°. If the uk = 0.15. What is the acceleration of the box? Would the F₁ or F₂ be enough alone to pull the box up if the other pulley would stop working?
- Answer last question "what is the ball's velocity when it returns to the ground?"+y mg +x Surface is frictionless Pulley is massless and frictionlessProblem 4: Speed deamplifier. In the figure above on the right, block 1 of mass m1 slides along an x-axis on a frictionless floor at speed 4 m/sec.Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 = 2m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass mz = 4m1. What then is the speed of block 3? Answer: 16 m/sec or 1.78 m/sec.