Engineering Mechanics
A particle moves along a straight line such that distance (x) traversed in 't' seconds is given by x = t² (t - 4), the acceleration of the particle will be given by the equation

6f - 4
6f - 8
6t² - 8t
3t² + 2t

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
Non-coplanar concurrent forces are those forces which

Meet at one point, but their lines of action do not lie on the same plane
Do not meet at one point and their lines of action do not lie on the same plane
Meet at one point and their lines of action also lie on the same plane
Do not meet at one point, but their lines of action lie on the same plane

ANSWER DOWNLOAD EXAMIANS APP

Engineering Mechanics
Which of the following statement is correct in connection with projectiles?

The velocity, with which a projectile is projected, is known as the velocity of projection.
All of these
The angle, with the horizontal, at which a projectile is projected, is known as angle of projection.
A path, traced by a projectile in the space, is known as trajectory.

ANSWER DOWNLOAD EXAMIANS APP