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प्रश्न
Vehicles moving with varying speeds are said to be in uniform motion.
विकल्प
True
False
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उत्तर
Vehicles moving with varying speeds are said to be in uniform motion- False.
Correct statement
Vehicles moving with varying speeds are said to be in non-uniform motion.
OR
Vehicles moving with uniform speeds are said to be in uniform motion.
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संबंधित प्रश्न
The odometer of a car reads 57321.0 km when the clock shows the time 08:30 AM. What is the distance moved by the car, if at 08:50 AM, the odometer reading has changed to 57336.0 km? Calculate the speed of the car in km/min during this time. Express the speed in km/h also.
Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.
Figure 1 Vehicles moving in the same direction on a road
Figure 2 Position of vehicles shown in Figure 1 after some time
______ is the distance traversed by a body in a particular direction in unit time.
Which is greater?
(i) 60 km/hr
(ii) 15 m/s
A car travels 30 km at a uniform speed of 60 km/h and the next 30 km at a uniform speed of 20 km/h. What is its average speed?
Asher says all objects having uniform speed need not have uniform velocity. Give reason.
Paheli and Boojho have to cover different distances to reach their school but they take the same time to reach the school. What can you say about their speed?
Why did the actual speed differ from the average, speed?
In a 100m race, the winner takes 10s to reach the finishing point. The average speed of the winner is ______.
Assertion: The speed of a body can be Negative.
Reason: If the body is moving in the opposite direction of positive motion, then its speed is Negative.
