Engineering Mechanics
Coplanar non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

None of these
Meet
Either ‘A’ or ‘B’
Do not meet

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Engineering Mechanics
The static friction

Bears a constant ratio to the normal reaction between the two surfaces
Always acts in a direction, opposite to that in which the body tends to move
All of these
Is independent of the area of contact, between the two surfaces

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