Question

plz answer fast it's urgent​

Answer 1

Explanation:

Net force = mg - F(resistance)

ma = mg - F

s = ut + ½ at² = 0 + ½ a 9

22.5 = 4.5a

a = 22.5/4.5 = 225 /45 = 25 /5 = 5m/s²

F = mg - ma = m ( g - a) = m (10 -5) = 2 x 5 = 10N