Which of the following statements are TRUE abou... - JAMB Physics 1995 Question
Which of the following statements are TRUE about frictional force? i. it is always a disadvantage ii. it is sometimes a disadvantage iii. it always exist where there is a relative motion of two bodies that are in contact iv. it is sometimes very useful
A
i, iii only
B
i, iv only
C
ii, iii only
D
ii, iv only
correct option: d
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