6-60* The coal wagon shown in Fig. P6-60 is used to haul coal from a mine. If the mass of the coal and wagon is 2000 kg, determine the force P required to move the wagon at a constant velocity and the forces exerted on the front and rear wheels by the inclined surface. 2 m -2 m
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- =↑ -7----- mg Sw mg 2. A drone of mass m (shown above) moves with a horizontal velocity v and is propelled by a thrust force ft produced from its propellers. To move, it tilts itself by an angle 0, which causes the thrust force ft to take on a component in the horizontal direction. This forward-directed force is indicated by ff in the diagram above. The drone is also subject to an aerodynamic drag force fa that acts in a horizontal direction and is proportional to forward velocity according to fa= -bv (regardless of 0). (a) Assuming ft acts along the inclined axis of the body, find ff as a function of the tilt angle and ft. (b) Find the necessary thrust ft needed to ensure that lift is balanced by gravity so that the drone does not move vertically. That is, find ft such that its vertical component as shown is equal to mg. Your answer will be a function of 0, g, and m. (c) Give the the small-angle approximations of these two functions when ≈ 0. (d) Suppose the drone has a mass m = 1 kg…5-10 Three bodies with masses of 3, 6, and 7 kg are lo- cated at points (4, -3, 1), (-1, 3, 2), and (2, 2, -4), respec- tively. Locate the mass center of the system if the distances are measured in meters.The smooth surface of the vertical cam is defined in part by the curver - (0.2 cos 0+ 0.3) m. (Figure 1) Figure If the forked rod is rotating with a constant angular velocity of 4 rad/s, determine the force the cam and the rod exert on the 1.1-kg roller when 0-30°. The attached spring has a stiffnesss k- 30 N/m and an unstretched length of 0.1 m. Express your answers in newtons using three significant figures separated by a comma. Neam, Frod = Submit AΣo↓ vec Previous Answers Request Answer * Incorrect; Try Again; 3 attempts remaining < Return to Assignment Provide Feedback Kwi| ? N