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Motion And Measurement Of Distances

Question 2:

Fill in the blanks:

(i) One metre is ______________ cm.

(ii) Five kilometres is ______________ m.

(iii) Motion of a child on a swing is ______________.

(iv) Motion of the needle of a sewing machine is ______________.

(v) Motion of wheel of a bicycle is______________.

Answer:

(i) One metre is __100__ cm.

(ii) Five kilometres is __5000__ m.

1 km = 1000 m

5 km = 1000 × 5 = 5000 m

Hence, the answer is 5000 m.

(iii) Motion of a child on a swing is __periodic__.

Periodic motion:

The motion of a swing repeats itsel…

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