JAMB - Physics (2018 - No. 72)
Which of the following is the dimension of pressure
ML\(^{−1}\)T\(^{−2}\)
MLT\(^{−2}\)
ML\(^{2}\)T\(^{3}\)
ML\(^{−3}\)
解释
Pressure = \(\frac{Force}{Area}\)
Pressure = m × \(\frac{a}{t}\)
= \(\frac{MLT^{−2}}{L × L}\)
= ML\(^{−1}\)T\(^{−2}\)