CBSE Class 7 Science Question 9 of 12

Measurement of Time and Motion — Question 10

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10
Question
Data for an object covering distances in different intervals of time are given in the following table. If the object is in uniform motion, fill in the gaps in the table. Time (s) 0 10 20 30 50 70 Distance (m) 0 8 24 32 40 56
Answer

In uniform motion, object covers equal distances in equal intervals of time. Hence, the speed of an object remains constant throughout the motion.
Time (s)
0
10
20
30
40
50
60
70
Distance (m)
0
8
16
24
32
40
48
56
The object covers 8 m in every 10 seconds. Hence, the speed of an object remains constant at 0.8 m/s throughout the motion.