Strength of Materials
The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are

2 and V6
V5 and V5
3 and 1 kg
2 and 5

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Strength of Materials
In ideal machines

mechanical advantage is less than velocity ratio
mechanical advantage is greater than velocity ratio
mechanical advantage is equal to velocity ratio
mechanical advantage is unity

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Strength of Materials
Center of percussion is

the point of metacentre
the point of C.G.
point of suspension
the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

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