5. Complete Activity 7.5 (Page 74).
• The data regarding the motion of two different objects A and B are given in Table 7.1.
• Examine them carefully and state whether the motion of the objects is uniform or non-uniform.
Answer:
We can see that the object A travels 10 m in the first 15 minutes, 10 m in the next 15 minutes and so on. It covers 10 m distance every 15 minutes. As the object covers equal distances in equal intervals of time, it is in uniform motion.
The object A travels (19 – 12) m = 7 m in the first 10 minute interval, it covers (23 – 19) m = 4 m in the second 10 minute interval, it covers (35 – 23) m = 12 m in the third 10 minute interval and so on. Since object B covers unequal distances in equal intervals of time, it is in non-uniform motion.
“• The data regarding the motion of two different objects A and B are given in Table 7.1.
• Examine them carefully and state whether the motion of the objects is uniform or non-uniform.” – Solved.
Related Links:
Solution to Activity 7.1
Solution to Activity 7.2
Solution to Activity 7.3
Solution to Activity 7.4
Solution to Activity 7.5
Solution to Activity 7.6
Solution to Activity 7.7
Solution to Activity 7.8
Solution to Activity 7.9
Solution to Activity 7.10
Solution to Activity 7.11
Solutions to Chapter 7 Motion
