Question

Example 2. Force acts on an object of mass 4 kg ang
changes its velocity from 10 m/s to 20 m/s in 5 s. Find
the magnitude of force.​

Answer 1

Answer:

please refer to my solution i attached

Answer 2

Explanation:

m=4kg

u=10m/s,v=20m/s,t=5sec

F=?

F=ma=m(v-u÷t)

F=4(20-10/5)

F=4×2=8N