Complete the table. Type of motion Description Example (a) rectilinear An apple falling from a tree. (b) circular (c) periodic (d)oscillatory/vibratory Moving to and fro about a fixed point. (e) rotational Spinning on its own axis.

(a) Rectilinear motion is the motion in which the object moves along a straight line. (b) Circular motion is the motion in which the object moves along a circular path or circumference of a circle. (c) Periodic motion is the motion in which the object repeats its path after regular intervals of time. (d) Oscillatory motion is a back and forth motion of an object about its mean position. (e) Rotational motion is the motion in which an object moves in a circular motion along a fixed axis. Type of motion Description Example (a) rectilinear Moving along a straight line. An apple falling from a tree. (b) circular Moving in a circular path. The blades of a fan. (c) periodic Motion that repeats itself in equal time intervals. A simple pendulum. (d)oscillatory/vibratory Moving to and fro about a fixed point. The vibrating string of a guitar. (e) rotational Spinning on its own axis. The earth moving around its axis.

E M B I B E

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP UP>Q 4

MEDIUM

6th CBSE

IMPORTANT

Earn 100

When my cousin asked me 'How far is Bengaluru from Chennai?', I said 'it is $6$ hours by Shatabdi Express or by car, and $40$ minutes by plane.'

(i) Does this mean that distance can actually be measured in units of time? (Yes/No)

(ii) Would my reply help my cousin if she were planning to travel from Chennai to Bengaluru? (Yes/No) Why?

Important Questions on Motion and Measurement of Distances

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>ESSENTIAL QUESTIONS

How have the different modes of transport developed over the years?

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP IN>Q 1

Tick the methods of transport that require fuel, such as coal, petrol, diesel or wood, to move.

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP IN>Q 2

Transport requires motion.

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP IN>Q 2

Until the beginning of

19^{th}

century, people depended on electric trains to move from one place to another.

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP IN>Q 2

Cars were invented before steam engines.

EASY

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP UP>Q 5

Complete the table.

Type of motion	Description	Example
(a) rectilinear		An apple falling from a tree.
(b) circular
(c) periodic
(d)oscillatory/vibratory	Moving to and fro about a fixed point.
(e) rotational	Spinning on its own axis.

MEDIUM

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP UP>Q 5

Identify three kinds of motion exhibited by the Earth.

MEDIUM

6th CBSE

IMPORTANT

CoNCERT Science 6>Chapter 10 - Motion and Measurement of Distances>STEP OUT>Q 1

If a train travels in a straight line from city A to city B, It covers $300 km$ . If an aeroplane flies in a curved path between the same two cities, how much distance will it cover? Why?

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