Physics-
General
Easy
Question
A right triangular plate 
of mass 
is free to rotate in the vertical plane about a fixed horizontal axis through A. It is supported by a string such that the side AB is horizontal. The reaction at the support A is
- mg
The correct answer is:
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A cylinder of mass m suspended by two strings wrapped around the cylinder one near each end, the free ends of the strings being attached to hooks on the ceiling, such that the length of the cylinder is horizontal, From the position of rest, the cylinder is allowed to roll down as suspension strings unwind. Then calculate the time dependence of the instantaneous power developed by gravity
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A ball of mass m is connected to two rubber bands of length L each, under tension T as shown in the figure. The entire system is placed on a smooth horizontal surface. the ball is displaced by a small distance y perpendicular to the length of the rubber bands. Assuming that tension in rubber bands doesn't change the angular frequency of oscillations performed by the ball is
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A solid ball of mass m is allowed to fall from a height h to a pan suspended with a spring of spring constant k. Assume the ball does not rebound and pan is massless, then amplitude of the oscillation is.
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For the system shown in figure, the rod is light and all the surfaces are frictionless. The time period of motion of block for small oscillations of the rod, is
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physics-General
Maths-
Find the value of x in the given figure.
Find the value of x in the given figure.
Maths-General
