Physics-
General
Easy
Question
A rod of mass m and length l is hinged at one of its end A as shown in figure. A force F is applied at a distance x from A. The acceleration of centre of mass (a) varies with x as –
The correct answer is:
The rod will rotate about point A with angular acceleration:
=
=
=
a =
=
or a x
i.e., a-x graph is a straight line passing through origin.
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