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

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

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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
Horizontal component of velocity remains constant
Speed of the ball remains constant

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