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(a) A particle is projected from a point P with speed u m s–1 at an angle α to the horizontal. (b) A plane is inclined at an angle of 45° to the horizontal.
(2020)
(a) A block A of mass 10m on a smooth plane inclined at an angle α with the horizontal, where tanά=3/4 is connected by a light inextensible string which passes over a smooth pulley to a second block B of mass 10m. (b) A particle C of mass 2m rests on
(a) A smooth sphere A of mass m, moving with speed 3u on a smooth horizontal table collides directly with a smooth sphere B of mass 2m, moving in the opposite direction with speed u. (b) A smooth sphere P has mass m1 and speed u.
(a) A particle D of mass m is suspended from a fixed point by a light elastic string of natural length ℓ and elastic constant 6mg/ℓ. (b) A particle P is attached to one end of a light inextensible string of length 𝑑.
(a) A uniform lamina ABCDE is formed by joining square ABDE with triangle BCD, as shown in the diagram. (b) Two uniform rods AB and BC, of equal length, and of weights 2W and W respectively are smoothly hinged at B.
