NCERT Additional Question 1

The following is the distance-time table of an object in motion:

(a) What conclusion can you draw about the acceleration?
Is it constant, increasing, decreasing, or zero?
(b) What do you infer about the forces acting on the object?

(a)

Finding Velocity

From the above table,

we can see that the velocity changes in unequal amount in equal intervals of time.

∴ The acceleration is non-uniform

Since the velocity is increasing with time,

We can say that acceleration is increasing

So, the acceleration is increasing non-uniformly

(b)

We know that

Force = Mass × Acceleration

As the acceleration is increasing,

the forces acting on the object also increases.