Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Science Physics Pressure
The ratio of force and perpendicular area on which it acts is known as __________.
1
Friction
2
Pressure
3
Density
4
More than one of the above
5
None of the above