Related InterviewSolutions

• What is the tension in a rod of length length L and mass M at a distance y from`F_(1)` when the rod is acted on by two unequal force `F_(1)` and `F_(2) ( lt F_(1))` as shown in.
• Two blocks each of mass M are resting on a frictionless inclined plane as shown in fig then: A. the block A moves down the planeB. the block B moves down the planeC. both the blocks remain at restD. both the blocks move down the plane
• A 45 kg box starts from rest and moves on a smooth plane the force that varies with time as shown. The velocity of the box at t=8 sec is: A. `6 m//s`B. `8 m//s`C. `12 m//s`D. `24m//s`
• A particle is moving in a circular path. The acceleration and moment of the particle at a certain moment are `a=(4 hat(i)+3hat(j))m//s^(2) and p=(8 hat(i)-6hat(j))"kg-m/s"`. The motion of the particle isA. uniform circular motionB. accelerated circular motionC. decelerated circular motionD. we cannot say anything with `vec(a) and vec(p)` only
• If a particle is compelled to mvoe on a given smooth plane curve under the action of given forces in the plane `vec(F)=xvec(i)+yvec(j),` then:A. `vec(F).dvec(r)=xdx+ydy`B. `intvec(F).dvec(r)ne1/2mv^(2)`C. `vec(F).dvec(r) nexdx+ydy`D. `1/2mv^(2)neint(xdx+ydy)`
• A particle moves in the x-y plane under is influence of a force such that its linear momentum is `vec(P)(t)=A[hat(i)cos (kt)-hat(j)sin (kt)]`, where A and k are constants Angle between the force and the momentum is:A. `0^(@)`B. `30^(@)`C. `45^(@)`D. `90^(@)`
• Fig shows a block of mass `0.1 kg` placed on a smooth wedge of mass `1/(5sqrt(3))` kg if the block of mass m will move vertically downward with acceleration `10m//s^(2)` Then the value of tension (in newton) in the string is `(theta=30^(@))` :
• A mass `m_(1)` is connected by a weghtless cable of water, whose mass is `m_(0)` at `t=0`. If the container release water in downward direction at constant rate b kg/s. with a velocity `v_(0)` relative to the container, determine the acceleration of `m_(1)` as a function of time.
• If a body of mass m suspended by a spring comes to rest after a downward displacement `y_(0)` find (a) the force constant of the spring, (b) loss in gravitational potential energy and (c) gain in elastic potential energy.
• Block A and C start from rest and move to the right with acceleration `a_(A)=12t m//s^(2)` and `a_(C)=3m//s^(2)` Here t is in seconds. The time when block B attain comes to rest is: A. 2 sB. 1 sC. `3//2s`D. `1//2s`