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A body moving in a straight line is said to be in uniform motion, if
- a)It covers equal distances in equal intervals of time, how so ever small the interval may be
- b)It covers equal distance in equal intervals of time, when intervals are of 1 hour
- c)It covers equal distances in equal intervals of time, when intervals are of 1 min.
- d)None of the above is correct.
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A body moving in a straight line is said to be in uniform motion, ifa)...
It covers equal distances in equal intervals of time, how so ever small the interval may be
This question is part of UPSC exam. View all Class 7 courses
Most Upvoted Answer
A body moving in a straight line is said to be in uniform motion, ifa)...
**Explanation:**
In uniform motion, a body covers equal distances in equal intervals of time, regardless of how small the interval may be. This means that if the body covers a certain distance in a given time interval, it will cover the same distance in any other time interval of the same duration.
Let's consider an example to understand this concept. Suppose a car covers a distance of 60 km in 1 hour. This means that the car is moving at a uniform speed of 60 km/h. Now, if we divide this 1-hour interval into smaller intervals, say 30 minutes, the car will cover half the distance, i.e., 30 km, in this smaller interval.
Similarly, if we divide the 1-hour interval into even smaller intervals, say 10 minutes, the car will cover one-sixth of the distance, i.e., 10 km, in this interval. The important point to note here is that the car covers equal distances (30 km and 10 km) in equal time intervals (30 minutes and 10 minutes) respectively.
Therefore, option 'A' is correct because it states that a body in uniform motion covers equal distances in equal intervals of time, no matter how small the intervals are. Options 'B' and 'C' are incorrect because they specify specific time intervals of 1 hour and 1 minute, which may not hold true for all cases of uniform motion.
In uniform motion, the speed of the body remains constant, and hence, the distance covered is directly proportional to the time taken. This is why equal time intervals result in equal distances covered.
In uniform motion, a body covers equal distances in equal intervals of time, regardless of how small the interval may be. This means that if the body covers a certain distance in a given time interval, it will cover the same distance in any other time interval of the same duration.
Let's consider an example to understand this concept. Suppose a car covers a distance of 60 km in 1 hour. This means that the car is moving at a uniform speed of 60 km/h. Now, if we divide this 1-hour interval into smaller intervals, say 30 minutes, the car will cover half the distance, i.e., 30 km, in this smaller interval.
Similarly, if we divide the 1-hour interval into even smaller intervals, say 10 minutes, the car will cover one-sixth of the distance, i.e., 10 km, in this interval. The important point to note here is that the car covers equal distances (30 km and 10 km) in equal time intervals (30 minutes and 10 minutes) respectively.
Therefore, option 'A' is correct because it states that a body in uniform motion covers equal distances in equal intervals of time, no matter how small the intervals are. Options 'B' and 'C' are incorrect because they specify specific time intervals of 1 hour and 1 minute, which may not hold true for all cases of uniform motion.
In uniform motion, the speed of the body remains constant, and hence, the distance covered is directly proportional to the time taken. This is why equal time intervals result in equal distances covered.
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A body moving in a straight line is said to be in uniform motion, ifa)It covers equal distances in equal intervals of time, how so ever small the interval may beb)It covers equal distance in equal intervals of time, when intervals are of 1 hourc)It covers equal distances in equal intervals of time, when intervals are of 1 min.d)None of the above is correct.Correct answer is option 'A'. Can you explain this answer?
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