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Engineering Mechanics: Statics
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- Determine the steady-state angle a if the constant force P = 195 N is applied to the cart of mass M = 16 kg. The cart travels on the slope of angle 0 = 25° The pendulum bob has mass m = 4 kg and the rigid bar of length L = 1.1 m has negligible mass. Ignore all friction. P M L marrow_forwardDetermine the smallest force the man must exerton the rope in order to move the 80-kg crate Also,what is the angle θ at this moment? Thecoefficient of static friction between the crate andthe floor is μs = 0.3.arrow_forwardThe two 200-N blocks are pushed apart by the 15 degrees wedge of negligible weight. The angle of static friction is 10 degrees at all contact surfaces. Determine the force P required to start the blocks moving.arrow_forward
- Determine the force P that will cause impending motion. Also determine location of the resultant force acting on the crate, measured from the point A. (M=200 kg, a=1 m, b=2m, c=0.5 m, d34, e=3 and coefficient of friction is 0.3) aarrow_forwardThe rope passes through a frictionless drum D and is connected to corner Q of the box, weighing 5 kg. Let the coefficients of sliding and non-sliding friction between the box and the inclined surface be 0.25 and 0.35, respectively. If the player exerts a pulling force T, what is the CORRECT equilibrium equation derived from the force diagram of the system? Which of the following best approximates the magnitude of the force T required for tipping to impend at point R, assuming that there is no slipping?arrow_forward1. Determine the force P required to maintain the 200-kg engine in the position for which 0 = 30°. The diameter of the pulley at B is negligible 2 m B 2 m 200 kgarrow_forward
- Determine the steady-state angle α if the constant force P = 180 N is applied to the cart of mass M = 9 kg. The cart travels on the slope of angle θ = 16°. The pendulum bob has mass m = 3 kg and the rigid bar of length L = 1.2 m has negligible mass. Ignore all friction.arrow_forward4. The mine car and its contents have a total mass of 6000 kg and a centre of gravity at G. If the coefficient of static friction 10 kN between the wheels and the 0.9 m •G tracks is u = 0.4 when the wheels are locked, find the normal force acting on the front wheels at B and the rear 0.15 m 0.6 m - 1.5 m wheels at A when the brakes at both A and B are locked. Does the car move? [Ans. NA = 16.5 kN, Ng =42.3 kN, the car does not move] %3D lyparrow_forwardDetermine the steady-state angle a if the constant force P = 170 N is applied to the cart of mass M = 43 kg. The cart travels on the slope of angle 0 = 17°. The pendulum bob has mass m = 9 kg and the rigid bar of length L = 1.1 m has negligible mass. Ignore all friction. M L m Answer: a = iarrow_forward
- Weight of the refrigerator is 880 N. The coefficient of static friction is 0.22 for all surfaces. When the force F is removed the system is not in static equilibrium. Determine the force F to hold the wedge in position. Draw free body diagram of the wedge!! 18°arrow_forwardDetermine the steady-state angle a if the constant force P = 200 N is applied to the cart of mass M = 19 kg. The cart travels on the slope of angle e = 18°. The pendulum bob has mass m = 4 kg and the rigid bar of length L = 1.9 m has negligible mass. Ignore all friction. M L Answer: a = iarrow_forwardDetermine the range of mass m for which the 100 - kg block is in equilibrium . All wheels and pulleys have negligible frictionarrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L