Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

105.5 kg
108.5 kg
110 kg
102.5 kg

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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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Applied Mechanics and Graphic Statics
Kinetic friction may be defined as

Friction force acting when the body is just about to move
Angle between normal reaction and resultant of normal reaction and limiting friction
Friction force acting when the body is in motion
Ratio of limiting friction and normal reaction

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