Search and browse 1000’s of questions from past papers and view answers.
(a) Prove that the moment of inertia of a uniform rod, of mass m and length 2l, about an axis through its centre, perpendicular to its plane, is 1/3 ml^2. (b) A wheel, of radius 60 cm, is formed of a thin uniform rim (hoop), six uniform spokes and an ax
(2016)
(a) A load of mass M acts on a light circular piston of diameter d. (b) A thin uniform rod AB is in equilibrium in an inclined position in a container of water.
(a) At time t seconds the acceleration a m s–2 of a particle, P, is given by a = 8t + 4. (b) A particle moves along a straight line in such a way that its acceleration is always directed towards a fixed point O on the line, and is proportional to its d
(a) A car passes four collinear markers A, B, C, and D while moving in a straight line with uniform acceleration. (b) A baggage chute has two sections, PQ and QR, as shown in the diagram.
(2017)
(a) A girl cycles at a constant speed of 5 m s–1 on level ground. (b) A ship P is moving north at 15 km h–1. A second ship Q is 10 km west of P and appears to be moving relative to P in a direction east 60° south at 15√3 km h–1.