Question

a net force of 20N acts on a 5kg object
a) what acceleration does the body have?
b) determine how far the object travel starting from rest to acquire speed of 8m/s

Answer 1

a,=f/m

=20/5

=4

it is correct

Answer 2

Using the formula F=ma

We need to find a here given F =20N,m=5kg

a=F÷m

ie

a=20÷5

a=4m/s^2

Using the formula v^2-u^2=2as

V=8

Since it is starting from rest u=0

a=4

8^2-0^2=2×5×s

64=10s

64÷10=s

6.4 m is the displacement