A 3192kg car is going up the Amerat hill, at angle 16.8, with 2 people inside the car each of 49kg. The car suspension provides 1444N of lift, and it is accelerating up at 5m/s². The road provides u=o.4. What is the force provided by the engine? 2. If needed, use g=9.81m/s²
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- Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center of gravity of the mower is at G, and the coefficients of rolling resistance are 0.12 for the front wheels and 0.18 for the rear wheels.In the following figure, the horizontal surface onwhich this block slides is frictionless. If the two forcesacting on it each have magnitude F = 30.0 N andM = 10.0 kg , what is the magnitude of the resultingacceleration of the block?A speedboat with a mass of 529 kg (including the driver) is tethered to a fixed buoy by a strong 28.3 m cable. The boat's owner loves high speed, but does not really want to go anywhere. So the owner revs up the boat's engine, makes a lot of noise, and runs the boat in circles around the buoy with the cable supplying all the necessary centripetal force. When the tension of the cable is steady at 12300 N, with what force is the boat's engine pushing the boat? Different physics textbooks treat drag force somewhat differently and use different formulas. For the present purpose, take the water's drag force on the boat to be (450 kg/m)×v2, where v denotes the boat's speed. Ignore any drag force on the cable. What is the force of the engine?
- The angle of the slope 23.0∘ and use a different cart and a different bucket. You observe that the cart and bucket remain at rest when released and that the tension in the cable of negligible mass is 175 N. There is no friction. What is the weight of the cart? What is the combined weight of the cart and bucket?A cart with weight is inclined 20o above a plane and is connected to a box with weight. If the mass of the box is 4.2 kg. What is the weight of the cart? What are the equations of motion for the cart and for the box? Show a free-body diagram of the cart and the box.A wheel tractor has a 200HP engine.If the weight of the wheel tractor is 30 tons and the weight on the drivingwheels is 50% of this weight, and it is operating at an altitute of 1000m above sea level, at an average temperature of 25 degree celcius, and at an average speed of 12km/hr. What is the maximum available rimpull if thecoefficient of traction is 0.25?. Take rimpull efficiency as 85%
- 1. A ship weighing 7200 tons has a KG of 5.20 m, a KB of 3.12 m and a KM of 5.35 m. In the voyage, has used 300 tons of fuel with Kg 0.6 m. If the free surface effect is neglected and assuming KM remains constant, calculate the angle of inclination of the ship.Find the forces exerted by the smooth planes on cylinder C (cylinder D is absent for this problem). Cylinder C has a mass of 100 kg.Calculate the rection forces when the radius of the pulleys are 0,1 m and K = 1200 N.
- A large transport aircraft shown below whose gross weight is 100,000 lb. The airplane pitching mass moment of inertia Iy=40,000,000 lb-s2 in. The airplane is making a level landing with the nose wheel slightly off the ground. The reaction on the rear wheels is 319,000 lbf inclined at such an angle to give a drag component of 100,000 lb and a vertical component of 300,000 lb. Determine: a) The intertial forces on the airplane. b)The resultant load on the pilot whose weight is 180 lbm and whose location is as given in the figure.To test the validity of aerodynamic assumptions made in the design of the aircraft, its model is being tested in a wind tunnel. The support bracket is connected to a force and moment balance, which is zeroed when there is no airflow. Under test condition sS, the lift L, drag D, and pitching moment MG act as shown. The force balance records the lift, drag, an d a moment Mp. Determine MG in terms of L, D, and Mp.A 12.0 kg weight hangs from a 7.50 m pole as illustrated in the diagram. The pole has a mass of 8.0 kg. Determine the tension in the cable, and the "Frictional" and "Normal" forces felt from the wall.