Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Forces
Consider the following statements.
A. It is easier to walk on a smooth surface.
B. A ball will fall easily over a rough inclined plane compared to a smooth one.
C. Frictional force opposes the relative motion.
D. Frictional force depends upon the surface.
Which of the above statements are correct?
1
A, B
2
C, D
3
A, D
4
More than one of the above.
5
None of the above