Applied Mechanics and Graphic Statics
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is 1/3, the acceleration is

1.25 m/sec²
0.75 m/sec²
0.5 m/sec²
1.00 m/sec²

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Applied Mechanics and Graphic Statics
A body is said to move with Simple Harmonic Motion if its acceleration, is

Proportional to the square of the distance from the point of reference
Inversely proportion to the distance from the point of reference
Always directed away from the centre, the point of reference
Proportional to the distance from the point of reference and directed towards it

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