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A baseball is thrown with a direction shown below with a spin on it. Draw the direction of the force on the ball with an arrow. Label the force arrow . Explain why this is the case.
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- A rope with a negligible mass has two blocks that are suspended over a pulley, m, and M, as shown in the image. The pulley can be considered as a uniform solid cylindrical disk. Draw a free body diagram and explain if the tensions in the two strings equal? Why? Why not? To solve the problem, why can’t I use the system approach and write the equation for M and m at the same time? Please write the equations that will help solve for T1 and T2You have a summer internship at NASA and are working on plans for a new space station to be launched into orbit around the Earth. The design of the space station is shown. i It is to be constructed in the shape of a hollow ring of mass 52,000 kg. The structures other than the ring shown in the figure have negligible mass compared to the ring. Members of the crew will walk on a deck formed by the inner surface of the outer cylindrical wall of the ring, with radius r = 140 m. The thickness of the ring is very small compared to the radius, so we can model the ring as a hoop. At rest when constructed, the ring is to be set rotating about its axis so that the people standing inside on this deck experience an effective free-fall acceleration equal to g. The rotation is achieved by firing two small rockets attached tangentially to opposite points on the rim of the ring. Your supervisor asks you to determine the following: (a) the time interval during which the rockets must be fired if each…A tennis ball, starting from rest, rolls down the hill in the figure. At the end of the hill the ball becomes airborne, leaving at an angle of 35° with respect to the ground. Treat the ball as a thin-walled spherical shell, and determine the range x. Number i eTextbook and Media Save for Later 12 W S #3 1.8 m 135 Units Attempts: 0 of 3 used Submit Answer APR 2 tv I all A 80 F3 a F4 E $ 14 95 F5 MacBook Air % 50 6 C F6 27 & < F7 R T Y U D F G H * 00 8 DII F8 D F9 ( 9 O A F10 F11 t O { P [ J K L X C V B N M H command ? H command option
-  To remove a nut from an old rusty bolts, you apply a 100 neutron force to the end of a wrench at a 45° angle to the wrench handle. The distance from the applied force to the axis of the bolt is 25 cm. what is the torque exerted on the bolt and N.mHere is a device that can rotate freely with little friction with the axle. The radius is 0.5 m, and each of the eight balls has a mass of 0.3 kg. The device is initially not rotating. A piece of clay falls and sticks to one of the balls as shown in the figure. The mass of the clay is 0.066 kg and its speed just before the collision is 8 m/s. * (a) Which of the following statements are true, for angular momentum relative to the the axle of the wheel? Just before the collision ₁ = 0.5/√√2 = 0.5 cos(45°) (for the clay). The angular momentum of the wheel is the same before and after the collision. The angular momentum of the wheel is the sum of the angular momenta of all eight balls. The angular momentum of the falling clay is zero because the clay is moving in a straight line. Just before the collision the angular momentum of the wheel is 0. The angular momentum of the wheel + clay after the collision is equal to the initial angular momentum of the clay. (b) Just after the collision,…A group of physics students, each of whom can pull with 100lb of force, is planning to topple a 9600lb statue that the school built for the meanest teacher. Assume the statue does not slide.Answer all questions relative to the rotation point. How much torque is caused by the statue's weight? How much tension must the students generate to "barely balance" the statue? What is the minimum number of students (whole number) needed to topple the statue?