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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

From the given v-t graph it can be inferred that an object is - Science

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प्रश्न

From the given v-t graph it can be inferred that an object is

विकल्प

  • in uniform motion

  • at rest

  • in non - uniform motion

  • moving with uniform accelerations

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उत्तर

moving with uniform accelerations

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Force and Motion - Evaluation [पृष्ठ २५]

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सामाचीर कलवी Science - Term 1 [English] Class 7 TN Board
अध्याय 2 Force and Motion
Evaluation | Q I. 4. | पृष्ठ २५

संबंधित प्रश्न

Define acceleration. State its unit.


The unit of retardation is ____________


A toy car initially moving with uniform velocity of 18 km h-1 comes to a stop in 2 s. Find the retardation of the car in S.I. units.


Figure shows the velocity-time graphs for two cars A and B moving in the same direction. Which car has greater acceleration? Give reasons to your answer.


If a body is moving with a constant velocity its acceleration is ______.


State its value in C.G.S. as well as in S.I. system.


From the diagram given below, calculate deceleration.


A cyclist driving at 5 ms−1, picks a velocity of 10 ms−1, over a distance of 50 m. Calculate

  1. acceleration
  2. time in which the cyclist picks up above velocity.

What does a positive acceleration mean?


The speed of a car increases from 10 km/h to 64 km/h in 10 seconds. What will be its acceleration?


Out of energy and acceleration, which one is a vector?


State if the following situation is possible:
A body moving with constant acceleration but with Zero velocity.


Is it possible for an accelerating body to have constant speed?


A car accelerates uniformly from a velocity of 18 km/h to 36 km/h in 15 min. What is its acceleration?


A car is moving with a speed of 50 km/h. One second later, its speed is 55 km/h. What is its acceleration?


The graph shows how the velocity of a scooter varies with time in 50 s.
Work out: Acceleration.


A car accelerates to a velocity of 30 m/s in 10 s and then decelerates for 20 s so that it stops. Draw a velocity-time graph to represent the motion and find:
The Deceleration.


What do you mean by constant acceleration?


If a body starts from rest, what can be said about the acceleration of the body?


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