MEDIUM
7th CBSE
IMPORTANT
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Periodic motion of a pendulum has been used to make clocks and watches.

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Important Questions on Time and Motion

EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D
Define the following terms.
Day
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D
Define the following terms.
Gnomon
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D
Define the following terms.
Time period
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D
Define the following terms.
Speed
MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D
Define the following terms.
Horology
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q D

Define the following term.

Varying speed

MEDIUM
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q E
Answer the following questions briefly.
Graphically represent the nature of the distance-time graph of the motion of the given objects. 
An athlete running with constant speed
EASY
7th CBSE
IMPORTANT
Science Now 7>Chapter 12 - Time and Motion>EXERCISE>Q E
Answer the following questions briefly.
Graphically represent the nature of the distance – time graph of motion of the given objects.
A train waiting at a station for another train to pass by