Applied Mechanics and Graphic Statics
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

Circle and straight line
Circle and parabola
Straight line and circle
Straight line and parabola

ANSWER DOWNLOAD EXAMIANS APP

Applied Mechanics and Graphic Statics
A ball which is thrown upwards, returns to the ground describing a parabolic path during its flight

Vertical component of velocity remains constant
Kinetic energy of the ball remains constant
Speed of the ball remains constant
Horizontal component of velocity remains constant

ANSWER DOWNLOAD EXAMIANS APP