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

3t² + 2t
6t² - 8t
6f - 4
6f - 8

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Engineering Mechanics
The moment of a force

Is equal to the product of force acting on the body and the perpendicular distance of a point and the line of action of the force
Is equal to twice the area of the triangle, whose base is the line representing the force and whose vertex is the point, about which the moment is taken
Is the turning effect produced by a force, on the body, on which it acts
All of these

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