Grade 7 | Science | Motion and Time | Free Tutorial | CBSE | ICSE | State Board
instyn education・5 minutes read
Objects can be static or in motion, with motion defined by a change in position over time. To determine the speed of an object, calculate the distance covered and time taken, with speed measured in units like kilometers per hour or meters per second.
Insights
- Differentiating between slow and fast motions involves understanding speed as the distance covered per unit time, with speed measured in kilometers per hour or meters per second.
- Speed calculations involve measuring the distance covered and time taken, with tools like speedometers in vehicles indicating speed in kilometers per hour and time intervals measured in seconds using clocks and watches.
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Recent questions
What is motion?
Motion involves a change in position over time.
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Summary
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Understanding and Measuring Speed in Motion
- Objects can be static or in motion, with motion being defined by a change in position over time. Understanding motion involves differentiating between slow and fast motions, defining speed, measuring distance covered, and identifying units of speed measurement.
- To determine which object moves faster, calculate the distance covered by each object in the same time interval. The object covering a greater distance per unit time is considered faster, with speed measured in units like kilometers per hour or meters per second.
- Speed can be measured by calculating the distance covered and time taken, applying the speed formula. Tools like speedometers in vehicles indicate speed in kilometers per hour, while odometers show the distance covered. Time intervals are measured using clocks and watches, with seconds as the basic unit.
