Engineering Mechanics
The motion of a wheel of a car is

None of the listed here
Purely translation
Combined translation and rotational
Purely rotational

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Engineering Mechanics
A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will

Remain horizontal
Slant up towards direction of pull
None of these
Slant down towards direction of pull

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