FBD ТОР ВOTTOM Figure 7-12
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Q: centripetal force
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This is an illustration of a ball that rolls down a track and then executes a loop-the-loop, provided it has sufficient velocity. Draw and label the forces in a FBD for the ball when it is at the top and at the hottom of the loop.
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- In the picture above, a roller coaster car with a mass of 400 kg rolls through point A with a speed of 20 m/s. What is the force (in N) upward from the track at point A? (Hint: treat the car's motion at point A like uniform circular motion; based on its mass and speed, what force is needed to make it move in a circular path? Add the car's weight to this value.)In order for a car to negotiate the banked curve, it needs to travel at a minimum speed. If the curve radius of 60 meters and a banking angle of 14o. What is the ideal, or critical, speed (the speed for which no friction is required between the car's tires and the surface) for a car on this curve. Include a diagram in your solutions showing all forces acting PLEASE HELP ME ANSWER THIS QUESTION SHOWCASING UR FULL WORK AND PLEASE INCLUDE A DIAGRAMThe figure above is taken from one of the Webassign HW problems which shows a person held up against a wall of a circularly moving ride in which the floor drops away. The radius of the spinning chamber is 3m and it rotates at 29 RPM. What should be the minimum value for the coefficient of static friction if the person is not to slip? (Round your answer to one decimal place)
- Bri is riding a roller coaster and encounters a loop. She is traveling 7.5 m/s at the top of the loop. The top of the loop has a radius of curvature of 3.9 m. Find the force that the loop exerted on Bri's 51 kg body at the top of the loop. Round your final answer to 1 decimal place.Use the worked example above to help you solve this problem. A car travels at a constant speed of 35.0 mi/h (15.6 m/s) on a level circular turn of radius 40.0 m. What minimum coefficient of static friction, ?s, between the tires and the roadway will allow the car to make the circular turn without sliding?The cylinder shown is rotating around its axis (the dashed line). If the cylinder is opened from the bottom find the minimum velocity needed for the cylinder to have such that the mass does not fall dovwn. (Radius of cylinder R-4 m, static friction coefficient between block and cylinder wall is u-0.98, M-4 kg). (Use g-9 8 ms 045 3.c5.5 block 5 C71
- You are in charge of designing a roller coaster that must have a speed of 26.9 m/s at the bottom of a loop the loop, like point A shown. If you want to ensure that the normal force acting on your passengers at this location is no more than 7637 N, what should the radius of the curvature in m be? Average mass of passenger = 286 kgConsider the pendulum shown in the figure. The pendulum is released at point A, swings through its lowest point at point C, and reaches its turning point at point D. You may ignore the effects of air resistance. Answer the following questions: A В D C (a) Draw the free body diagram when the object is located at point B. (b) On your free-body diagram, draw a circle around the force components that contribute to the centripetal acceleration and draw a square around the force components that contribute to the tangential acceleration. (c) Draw the direction of the total acceleration vector when the object is located at point B.PLs help ASAP and show all work
- A 60kg skateboarder (including the skateboard) wants to figure out how fast he needs to be traveling at the top of a loop in order to complete the loop! Answer all questions for the case under which he just barely loses contact with the loop as he reaches the top as shown Neglect drag and the size of the skateboarder. number of forces in plane: centripetal force: Are all forces balanced? 14m What is the radius of curvature of the path? unit What is the centripetal net force on the skateboarder? unit What is the skateboarder's centripetal acceleration? unit What is the skateboarder's speed? unit Would the skateboarder remain in contact with the loop if he reached the top at speed of 6m/s? hpA 600Kg car is going around a curve with a radius of 120m that is banked at an angle of 20degree with a speed of 24.5 m/s. what is the minimum coefficient of static friction required for the car not to skid show all the works and formula please