Rotational Dynamics About a Fixed Axis

JEE Main Physics · Rotational Motion · 8 questions, latest first

• A solid sphere of radius 4 cm and mass 5 kg is rotating (rotation axis is passing through the centre of the sphere) with an…20266 April, Shift 1 · Q31
• Two circular discs of radius each 10 cm are joined at their centres by a rod of length 30 cm and mass 600 gm as shown in figure.…202628 January, Shift 1 · Q31
• Two masses 400 g and 350 g are suspended from the ends of a light string passing over a heavy pulley of radius 2 cm. When…202624 January, Shift 1 · Q31
• The pulley shown in figure is made using a thin rim and two rods of length equal to diameter of the rim. The rim and each rod…202621 January, Shift 2 · Q29
• A thin solid disk of 1 kg is rotating along its diameter axis at the speed of 1800 rpm. By applying an external torque of 25 π Nm…20258 April, Shift 2 · Q47
• A wheel of radius 0.2 m rotates freely about its center when a string that is wrapped over its rim is pulled by force of 10 N as…20252 April, Shift 2 · Q46
• A string is wrapped around the rim of a wheel of moment of inertia 0.40 kgm^2 and radius 10 cm. The wheel is free to rotate about…20249 April, Shift 1 · Q52
• A light rope is wound around a hollow cylinder of mass 5 kg and radius 70 cm. The rope is pulled with a force of 52.5 N. The…202313 April, Shift 2 · Q52