Question

3. Velocity versus time graph of a ball of mass 50 g rolling on a concrete
floor is shown in Fig. Calculate the acceleration and frictional force
of the floor on the ball

Answer 1

the question is explained in this photo

Answer 2

Answer:

0.5N

Explanation:

a= v-u/t

  = 0-80/80-0 = 10m$s^{2}$

F= ma

m= 50g = 50/1000×10 = 0.5N

HOPE IT HEILPED YOU