Applied Mechanics and Graphic Statics
‘P’ is the force acting on a body whose mass is ‘m’ and acceleration is ‘f’. The equation P - mf= 0, is known as

Equation of dynamic equilibrium
Equation of dynamics
Equation of statics
None of these

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Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Momentum of rubber ball is less than that of lead ball
Rubber and lead balls undergo equal changes in momentum
None of these
Change in momentum suffered by lead ball is less that of rubber ball

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Applied Mechanics and Graphic Statics
The Law of Polygon of Forces states that

If a polygon representing the forces acting at point in a body is closed, the forces are in equilibrium
If forces acting on a point can be represented in magnitude and direction by the sides of a polygon taken in order, then the resultant of the forces will be represented in magnitude and direction by t
If forces acting on a point can be represented in magnitude and direction by the sides of a polygon in order, the forces are in equilibrium
If forces acting on a point can be represented of a polygon taken in order, their sides of a polygon taken in order, their resultant will be represented in magnitude and direction by the closing side

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Applied Mechanics and Graphic Statics
Newton’s Law of Motion is:

All listed here
To every action, there is always an equal and opposite reaction
Everybody continues in its state of rest or of uniform motion in a straight line, unless it is acted upon by some external force
The rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

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