Determine the moment about point C produced by the force shown, if F = 50 lb. Express the moment as a Cartesian vector. 10 ft 20 ft 15 ft A 30 ft B 10 ft
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- F3-15. Determine the magnitude of the moment of the 200-N force about the x axis. Solve the problem using both a scalar and a vector analysis. 0.3 m F= 200 N 45° 120 60° 0.25 mWhat is the tangential speed of Nairobi, Kenya, a city near the equator? The earth makes one revolu-tion every 23.93 h and has an equatorial radius of 6380 km(The complete question is in the picture)14. Three identical point masses are arranged to an equilateral triangle as shown. Let point P be the center of the triangle formed by the masses, Q be located at one vertex of the triangle, and S be the midpoint of the line joining two of the three masses. Where should the axis of rotation be located to obtain the largest moment of inertia? A. out of the page, passing through P B. along the line l C. out of the page, passing through Q D. out of the page, passing through S
- Answer the following question You are given four objects. A Solid cylinder, a thin-walled hollow cylinder, a solid sphere, and a hollow sphere. All of them have the same mass ?m, and radius ?R. They are all put on an incline plane of hight ℎh, and angle ?θ. 1a) Derive a formula for the final speed at the bottom of the ramp in terms of ?,?,ℎ,?m,R,h,I, and ?θ. 1b) Which one will get to the bottom first? (Hint: ?I is for Rotational Inertia).e When astronauts returnfrom prolonged space flights, they often suffer from bone loss,resulting in brittle bones that may take weeks for their bodies torebuild. One solution may be to expose astronauts to periods ofsubstantial “g forces” in a centrifuge carried aboard their spaceship. To test this approach, NASA conducted a study in which fourpeople spent 22 hours each in a compartment attached to the endof a 28-foot arm that rotated with an angular speed of 10.0 rpm.(a) What centripetal acceleration, in terms of g, did these volunteers experience? (b) What was their linear speed?Determine the moment of inertia for the shaded area about the x-axis.
- can someone do part B for me pleasedo fast i will 5 upvotes.The force of F = (2i -5j) N is acting on a particle whose position vector is r = (i +0.5j +2k) m Calculate the torque vector about the origin in Nm (Hint: consider the vector product) a. 8 b. 10i +4j - 6k c. 2i-2.5J d. (-1k) e. O f. (k) Nm 2i -2.5j +2k