Question
Differentiate between Uniform linear motion and Uniform circular motion.
| Uniform linear motion | Uniform circular motion |
| The body moves along a straight line. | The body moves along a circular path. |
| Speed and direction both remain constant. | Speed is constant, but direction changes continuously. |
| It is not an accelerated motion. | It is an accelerated motion. |
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How can it be balanced by another mass 50 g ?



(i ) What is the p.d . across the 4 Ω resistor?
(ii ) Calculate the p.d . across the in ternal resistance of the cell.
(iii ) What is the p.d . across the R Ω or 2 Ω resistors?
(iv) Calculate the value of R.