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The forces whose line of action lies on the same line , called collinear force system. F1, F2, F3 are the co-llinear force ... -
When a body can move due to the application of an external force , we find the resultant reaction (s) as shown in figure .It we repl... -
The forces which do not meet a point and their lines of action do not lie on the same plane , are called non coplanar non con c... -
ENGINEERING MECHANICS It is the branch of science which most deals with the forces acting on a body or parti...
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If a number of forces are acting simultaneously on a body or particle , then it is possible to replace all the forces of a single forces w... -
Motion of a body over anathor surface is said to be rolling when the body roles over the another surface The frictional force exists... -
LAWS OF STATIC FRICTION (COLUMB’S LAW OF FRICTION) 1. The force of friction is always acting opposite to the d...
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From the condition of equilibrium ( ͢+) Σf x = 0 F – Wsinα = 0 F = Wsinα …………….(1) (+↑)Σf y = 0 R – cosα = 0 R = cosα ... -
It is the ratio of the frictional force to the normal reaction at the contact surface. μ = Frictional force/ Normal reaction μ =... -
If a body kept on a rough inclined plane and on increasing the angle of inclined plane , the body can slides down the inclined p...
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