Which of the following is the dimension for impulse?

  • A MLT\(^{-1}\)
  • B MLT\(^{-2}\)
  • C MLT
  • D ML
waec 2017physics

The correct answer is A. MLT\(^{-1}\)

Impulse = Force \(\times\) time

Force has the dimension \(\frac{ML}{T^{2}}\), hence 

Impulse= \(\frac{ML}{T^{2}} \times T = \frac{ML}{T}\)

Previous question Next question