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_________________?

Related Mcqs:

If a number of forces act simultaneously on a particle, it is possible_________________?

A. not a replace them by a single force B. to replace them by a single force C. to replace them by a single force through C.G. D. to replace them by a couple E. to replace them by a couple and a force...

According to principle of transmissibility of forces, the effect of a force upon a body is_______________?

A. maximum when it acts at the center of gravity of a body B. different at different points in its line of action C. the same at every point in its line of action D. minimum when it acts at the C.G. of the body E. none of the above...

A semi-circular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi-cricular disc and horizontal surface is i. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will____________________?

A. remain horizontal B. slant up towards direction of pull C. slant down towards direction of pull D. unpredictable E. none of the above...

In actual machines______________?

A. mechanical advantage is greater than velocity ratio B. mechanical advantage is equal to velocity ratio C. mechanical advantage is less than velocity ratio D. mechanical advantage is unity E. none of the above...

A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span________________?

A. 2.5 cm B. 3.0 cm C. 4.0 cm D. 5.0 cm E. 2.0 cm...