| (i) When a body is in steady motion on a surface, the force of friction is dynamic friction. |
| (ii) The force of friction between two bodies always acts parallel to the surface in contact with each other. |
| (iii) It is easier to push a lawn roller than to pull. |
| (iv) Limiting friction is greater than sliding friction. |
A)
(i)
(ii)
(iii)
(iv)
T
F
T
F
B)
(i)
(ii)
(iii)
(iv)
F
T
F
T
C)
(i)
(ii)
(iii)
(iv)
T
T
T
F
D)
(i)
(ii)
(iii)
(iv)
T
T
F
T
Correct Answer: D
Solution :
Pushing a lawn roller is harder than pulling it because friction is greater in case of pushing.
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