Questions
Initially the spring is undeformed. Now the force F is applied to B as shown in the figure. When the displacement of B w.r.t. A is x towards right in some time then the
relative acceleration of B w.r.t. A at that moment is
detailed solution
Correct option is C
F−kx=mb and kx=ma Hence m(b−a)=F−2kx or b−a=F−2kxmTalk to our academic expert!
Similar Questions
Figure shows block A a motor C mounted on a with combined mass m and another block B of mass 2m. Block B is attached to shaft of motor with a light inextensible string. Motor is switched on at t =0 and string starts winding on its shaft and block B starts moving at acceleration a. If initial separation between blocks is l then find the time after which the two bodies will collide. The friction coefficient between blocks and ground is .
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