Applied Mechanics and Graphic Statics
Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is

7.3 m/sec
9.3 m/sec
8.3 m/sec
6.3 m/sec

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Applied Mechanics and Graphic Statics
The force acting on a point on the surface of a rigid body may be considered to act

On any point on the line of action of the force
On the periphery of the body
At any point on the surface normal to the line of action of the force
At the centre of gravity of the body

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