Home
Class 11
PHYSICS
A square frame, made of 4 equal rods of ...

A square frame, made of `4` equal rods of length `l`, mass `m` each is hinged at corner `A` so that it can rotate about a horizontal axis paralle to line `DB` as shown. It is slightly disturbed and it starts falling about hinge axis. Calculate following parameters when the frame is completely inverted and point `C` reached the lower point of its motion.

Hinge reaction :

A

`4 mg`

B

`8 mg`

C

`12 mg`

D

`16 mg`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A square frame, made of 4 equal rods of length l , mass m each is hinged at corner A so that it can rotate about a horizontal axis paralle to line DB as shown. It is slightly disturbed and it starts falling about hinge axis. Calculate following parameters when the frame is completely inverted and point C reached the lower point of its motion. Velocity of point B :

A square frame, made of 4 equal rods of length l , mass m each is hinged at corner A so that it can rotate about a horizontal axis paralle to line DB as shown. It is slightly disturbed and it starts falling about hinge axis. Calculate following parameters when the frame is completely inverted and point C reached the lower point of its motion. Angular velocity of frame :

A uniform rod of mass 'm' and length 'l' is hinged at one end 'A'. It can rotate freely about a horizontal axis passing through 'A'. If it is given a sloght angular displacement and left to itself then it oscillate. Find the time period of small oscillations.

A thin uniform rigid rod of length L is hinged at one end so that it can move in a vertical plane by rotating about a horizontal axis through upper end. The lower end is given a sharp blow and made to acquire a linear velocity v_(o) . Find the maximum height to which the lower end can rise.

A rod of mass m and length L is pivoted at the bottommost point O and can freely rotate about the point O . The rod is disturbed from the vertical position so that it starts rotating about O . When it makes an angle theta with the vertical

A thin bar of mass M and length L is free to rotate about a fixed horizontal axis through a point at its end. The bar is brought to a horizontal position and then released. The axis is perpendicular to the rod. The angular velocity when it reaches the lowest point is

A uniform rod AB of mass m and length L rotates about a fixed vertical axis making a constant angle theta with it as shown in figure. The rod is rotated about this axis, so that point B the free end of the rod moves with a uniform speed V in the horizontal plane then the angular momentum of the rod about the axis is:

A rod PQ of mass M and length L is hinged at end P . The rod is kept horizontal by a masseless string tied to point Q as shown in Fig. When string is cut, the initial angular acceleration of the rod is :

A rod PQ of mass M and length L is hinged at end P . The rod is kept horizontal by a massless string tied to point Q as shown in the figure. When string is cut, the initial angular accleration of the rod is.