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

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

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

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