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Figure (a) and (b) shows two different a...

Figure (a) and (b) shows two different arrangements of a spool being pulled with a constant force `F` in each case. Identify the direction of motion of the centre of mass, and the direction of friction force in each case.

a. The `CM` moves along……………….`x`-axis .
b. The friction force acts along…………………. `x`-axis.
c. The `CM` moves along .....`x`-axis.
d. The friction force acts along…………….. `x`-axis.

Text Solution

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The correct Answer is:
(i) positive, (ii) negative, (iii) negative, (iv) negative
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