What would happen to the motion of an oscillating system if the sign of the force term in equation `F=-kx` is changed?

What would happen , if the force of gravity disappears suddenly on Earth ?

What would happen , if the force of gravity disappears suddenly on Earth ?

What are free oscillations and forced oscillations ?

What would happen to immune system, if thymus gland is removed from the body of a person?

What would happen to immune system if thymus gland is removed from the body of a person?

What will happen to the motion of simple pendulum if the amplitude of motion is large? How does period of oscillation change with amplitude?

What would happen if the force of gravity were to disappear suddenly ?

Give the differential equation for a damped motion of an oscillating system (mass attached to a spring ) along with the meanings of the symbols used.