Q.
Center of percussion is

AThe point of C.G.
BThe point of metacenter
CThe point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis
DPoint of suspension

Correct Answer : (C)
The point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis

Hints :

Center of percussion is the point of application of the resultant of all the forces tending to cause a body to rotate about a certain axis.

The maximum velocity of a particle moving with simple harmonic motion is

If the gravitational acceleration at any place is doubled, then the weight of a body will be

Morning Exam