Strength of Materials
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 point of C.G.
point of suspension
the point of metacentre

ANSWER DOWNLOAD EXAMIANS APP

Strength of Materials
The weight of a body is due to

gravitational force of attraction towards the centre of the earth.
centripetal force of earth
gravitational pull exerted by the earth
force of attraction experienced by par-ticles

ANSWER DOWNLOAD EXAMIANS APP