Question

A student is investigating acceleration and force. The student rolls five balls of different masses and records her observations in the table shown

Ball Mass (kg)

1

2 3

4

10 15

20

25

Force (N) Acceleration (m/s)

50

100

150

200

250

10

10 10

10

10

What claim can the student make about the inertia of the balls?

O

Ball 5 has the least inertia.

All the balls have the same inertia

Ball 5 has the greatest inertia Ball 1 has the greatest inertia

2

3

5

6

Answer 1

The student can claim that the inertia of the balls is directly proportional to their mass. This is demonstrated by the fact that the balls with greater mass also have greater inertia, as evidenced by their lower acceleration when the same force is applied.

Answer 2

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