Question

If a Force of 9N applied on a sack of rice causes it to accelerate by 3 m/s, what is the mass of the bag?  1kg  9kg  27 kg  3 kg​

Answer 1

Answer:

Given : m=3kg F=20 N

Frictional force f=5 N

Thus acceleration of the box a=

m

F−f

=

3

20−5

=5 m/s

2