EASY
7th CBSE
IMPORTANT
Earn 100

A car travels along a circular racing track at a constant speed of 100 km/h. Does it have a uniform motion?

Important Questions on Motion and Time

MEDIUM
7th CBSE
IMPORTANT

Figure 1 shows the distance-time graph for two racing cars, A and B. Which one of them won the race?

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MEDIUM
7th CBSE
IMPORTANT

What can you say about the speeds of the two objects A and B from the distance-time graphs in Figure 2?

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MEDIUM
7th CBSE
IMPORTANT

The three graphs A, B and C are speed vs time graphs of three cars. (None that these are not distance-time graphs)

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Identify the graphs from the clues.
1. Mr Nair is a gentle driver. He lets the car pick up speed slowly.
2. Ms Patnaik sometimes goes on a drive on an empty road. She enjoys cruising along at the same speed.
3. Ms Rushmore is a racing car driver. She has just started a race.

MEDIUM
7th CBSE
IMPORTANT
Roads generally have specified speed limits. It is against the law to drive a vehicle above the specified speed limit. Why do you think this is so? What is likely to happen if the speed limits are not obeyed?