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The centripetal force can be thought of as the force that causes circular motion.
When an object moves in a circle a force must always act on it, even when it moves at a constant speed. T...
Simple harmonic motion describes the motion of an object which has an acceleration that is directly proportional to its displacement from the equilibrium point and when the accelerations acts in the oppos...
To gain all of the marks, 4 different points must be made. To begin, state what is obvious:
The density of the gold nucleus is much greater than the density of the gold atom.
A scalar quantity has magnitude only - for example distance.A vector has magnitude and direction - for example gravity (acceleration tow...
Forced vibration:
The object oscillating will vibrate upwards and downwards with the same frequency the driving oscillation is at. The amplitude of the v...
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