Imagine a mass hanging from a spring that behaves ideally. which factor will not affect the period of this mass-spring system? varying the displacement of the mass from its equilibrium position changing the weight of the mass attached to the spring changing the strength of the spring (its spring constant) increasing the amount of time the oscillating system is observed keeping track of the precise position of the mass through time

if the forces acting on an object are unbalanced, the object will accelerate in the direction of the net force on the object.

explanation:

this is best explained by having an understanding of newton's second law, which states that f=ma. you see, when the forces are unbalanced, net force (sum of all forces) is not zero. therefore making it necessary for the object to have an acceleration in the direction of the net force.

tube or goog with be a great resource to with that question