मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

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

Advertisements
Advertisements

प्रश्न

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

पर्याय

  • in uniform motion

  • at rest

  • in non - uniform motion

  • moving with uniform accelerations

MCQ
Advertisements

उत्तर

moving with uniform accelerations

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Force and Motion - Evaluation [पृष्ठ २५]

APPEARS IN

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

संबंधित प्रश्‍न

Give a scientific reason.

When an object falls freely to the ground, its acceleration is uniform.


The unit of retardation is ____________


Give an example of an accelerated body, moving with a uniform speed.


From the diagram given below, calculate deceleration.


A racing car, initially at rest, picks up a velocity of 180 kmh−1 in 4.5 s. Calculate

  1. acceleration
  2. distance covered by the car.

A cyclist driving at 36 kmh−1 stops his motion in 2 s, by the application of brakes. Calculate

  1. retardation
  2. distance covered during the application of brakes.

The acceleration of a moving body is constant in magnitude and direction. Must the path of the body be a straight line?
If not, given an example.


What does a negative acceleration mean?

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:
Distance travelled


A car starts from rest and it is travelling with a velocity of 20 m/s in 10 s. What is its acceleration?


The slope of a velocity-time graph gives ______.


The speed of a particle is constant. Will it have acceleration? Justify with an example.


What is meant by negative acceleration?


A quantity has a value of 16ms-2. It is the ______.


Acceleration is defined as the rate of change of ______.


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


Acceleration is a scalar.


Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×