92.
Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction

93.
Non-coplanar concurrent forces are those forces which

94.
Coplanar concurrent forces are those forces which

95.
Non-coplanar non-concurrent forces are those forces which

98.
Centre of gravity of a solid cone lies on the axis at the height

100.
The ideal angle of banking provided on the curves on roads depends upon

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