# Recently Active Mechanics Questions

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• *Image* A ring as shown in the 'figure' is made up of two semi circular rings A and B of masses " 2 Kg " and " 4 Kg " respectively. The ring has diameter " 1 m ". If the Ring rolls without slipping, Find â€“ 1.Angular Acceler ...
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• Prove that the net internal torque on a body is zero if and only if the action-reaction forces between all pairs of its particles act along the line joining the two particles. ...
• P&Q are 2 forces such that their resultant is R . IF Q is doubled R IS also doubled if Q is reversed then again R is doubled then p.t. P:Q:R:: 2 : 3 : 2 ...
replied2013-06-20 10:45:50
• The two ends of a uniform thin rod of length âˆš2R and of mass 2âˆš2kg can move without friction along a vertical circular path of radius R. The rod is released from the vertical position (ab). The force (in N) exerted by an ...
replied2013-06-16 09:26:03
• A body starts from rest and accelerates at a rate of 2m/s2. The distance travelled in 5 seconds is? ...
replied2013-06-16 04:15:24
• A particle is projected horizontally with a speed u from the top of a plane inclined at an angle with the horizontal. Then distance of point from the point of projection where the particle strike the plane will be - WHAT DOES ...
replied2013-06-15 01:00:59
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• A small sphere of mass m is released from rest in a large vessel filled with oil where it experiences a resistive force proportional to its speed i.e., F=-kv, where k is a constant and v is the velocity. (a) Find the speed of ...
replied2013-06-14 02:18:10
• A train starts from a station with a constant acceleration of 0.4 m/s2. A passenger arrives at a station 6 s after the end of the train left the very same point. What is the least speed at which the passenger should run to ca ...
replied2013-06-13 07:45:22
• A particle is projected from a point on the level ground and its height is h when at horizontal distance a and 2a from its point of projection. Find the velocity of projection. ...
replied2013-06-11 03:17:27
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