A body of mass 8kg moving with a speed of 30ms-1 is brought to rest…

Physics WAEC 2004

A body of mass 8kg moving with a speed of 30ms-1 is brought to rest in 2.5s by a constant retarding force. Calculate the magnitude of the force

  • 240N
  • 96N checkmark
  • 20N
  • 9N

The correct answer is: B

Explanation

F = ma = \(\frac{mv}{t} = \frac{8 \times 30}{2.5} = 96\)
Previous Question Next Question

Leave A Comment