EASY
7th CBSE
IMPORTANT
Earn 100

The distance-time graph of a car is plotted with time on the X-axis and distance on the Y-axis. The graph is a straight line parallel to the X-axis. Which of the following is true about the car?

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Important Questions on Motion and Time

EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q A
A car with non-uniform motion travels 100 km in 4 hours. What can be said about the speed of the car?
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
What are the quantities that can be measured called?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
The SI system is used all over the world in everyday measurements.
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
Time could not be accurately measured before the principle of the pendulum was discovered.
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
An object moves to-and-fro about its position of rest. What type of motion is this?
 
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
The time period of a simple pendulum remains constant even if its length is changed.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
In a mechanical wristwatch, which part works in the same way as a pendulum in a clock?
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 14 - Motion and Time>EXERCISES>Q B
What kind of watch will you use to accurately measure short intervals of time?