A ring (whose mass is m, the average
radius r and has a negligible thickness) is
suspended on support A. If the coefficient of friction between the
support and the ring
is μ,
a) Find the vertical P force that can slide the ring on the
support.
b) What is the value of the angle β when the ring is on the verge
of slide?


Please RATE my answer
Thank you
A ring (whose mass is m, the average radius r and has a negligible thickness) is...
2. A ring of negligible thickness has a radius R and mass density 1. Find expressions for the moment of inertia about an axis perpendicular to the plane of the ring: a) through the center of the ring. b) through the edge of the ring.
A ring with radius r and mass m roll downhill without slipping as shown in the figure on the right at the end of the slide is a vertical circular track with radius R=4r). If h = 4R and tant = 0.5, the angular momentum of the ring relative to the reference point o equals to a .mR/2g1/2 when it reaches point P. a=? 0 ON A. a <8 B.9< a < 10 C.20<a< 21 D.22<a< 23 E. ll<a< 12...
(a) A circular ring has radius r and mass M. Let L be the axis of the ring (the line that is perpendicular to the plane of the ring and that passes through the center of the ring). What is the force on a mass m that is located on L, at a distance x from the center of the ring? (b) A hole with radius R is cut out from an infinite flat sheet with mass density p (kg/m^2)....
As in the figure, a uniform sphere of mass = 0.8 kg and radius r = 4.2 cm is supported by a string (of negligible mass) attached to a wall (whose friction can also be ignored). The center of the sphere is a vertical distance L = 9.5 cm below the attachment point of the string. Find the force on the sphere from the wall. Your answer should be in N, but enter only the numerical part in the box.
A particle of mass m can slide frictionlessly along a circular ring of radius R that is rotating about its vertical diameter at a given (fixed) angular velocity of Ohm, as shown in the figure. Derive the equation of motion for the system.
Two balls having mass m & radius r are suspended close to each other. When a stream of air having velocity V and density d passes through the space between the balls find their angle of inclination with the vertical?
A conducting rod of mass m and negligible resistance is free to slide without friction along two parallel rails of negligible resistance separated by a distance I and connected by a resistor R. The rails are attached to a long inclined plane that makes an angle with the horizontal. There is a magnetic field B as shown. (a) Show that there is a retarding force on the bar and find an expression for this force. (b) Find an expression for...
A strong magnet is placed under a horizontal conducting ring of radius R and mass m. At the position shown, the magnetic field on the ring has a magnitude B and makes an angle theta with the vertical. What is the current that must flow through the ring so that it floats in place? You should be able to produce the free body diagram for the ring.
A rod of length L and negligible mass is attached to a uniform disk of mass M and radius R (see figure below). A string is wrapped around the disk, and you pull on the string with a constant force F. Two small balls each of mass m slide along the rod with negligible friction. The apparatus starts from rest, and when the center of the disk has moved a distance d, a length of strings has come off the...
2. The homogeneous cylinder has a mass m and a radius R. It is placed on the cart and restrained by the cord. The coefficient of friction between the cylinder and the cart is Hs. Determine the largest acceleration a of the cart for which the cylinder does not slide. Solution: a = 24sg Cord