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Smita   from Suncity World School, Gurgaon
Subject :Physics    Class : Class 7

'An object may be in the rest as well as in the motion at the same time'. Which one of the following is correct explanation for the above statement?

A Rest and motion are defined on basis of position of an object. So a body may be in rest and in the motion at the same time.
B Object is in rest or in motion depends on the reference point. An object may be in motion with respect to a reference point and at same time the object may be in rest with respect to another reference point.
C Rotatory motion justifies the above statement. In the rotatory motion, object rotates around a fixed axis and does not cover distance. Therefore, object is in motion and in the rest at the same time.
D No, it is not possible that an object is in the motion and in the rest as well.

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bhargavi   from rainbow, SECUNDERABAD
Subject :Physics    Class : Class 7

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ashutosh rath   from carmel, khordha
Subject :Physics    Class : Class 7

Ans 1:

Varya Bhatt   from Cygnus World School, Vadodara
Class : >Class 7

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KHUSHI CHADHA   from carmel convent, Chandigarh
Subject :Physics    Class : Class 8

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Vivek   from Aps, Sitamarhi
Class : >Class 8
20

Ans 2:

Vivek   from Aps, Sitamarhi
Class : >Class 8
20

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Neevedita Singh   from Auxilium Convent School Dum Dum, Kolkata
Subject :Physics    Class : Class 7

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Neevedita Singh   from Auxilium Convent School Dum Dum, Kolkata
Subject :Physics    Class : Class 7

Which one of the following is true for the uniform speed?

A If speed of the object varies at different interval of time, the object has uniform speed.
B If speed of the object is constant at different intervals of time, the object has uniform speed.
C If a moving object suddenly comes to rest, the object has uniform speed.
D None of these.


Answer is showing option - BBut it should be ---- If speed of the object is equal at equal intervals of time , the object has uniform speed

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Garima Shukla   from DPS east, Bangalore
Subject :Physics    Class : Class 7

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Garima Shukla   from DPS east, Bangalore
Subject :Physics    Class : Class 7

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Anant Sethi   from DPS, aligarh
Subject :Physics    Class : Class 8

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utkarsh bansal   from Spring Fields Public School, Yamunanagar
Subject :Physics    Class : Class 8

Ans 1:

anam fatema   from sana international school, nanded
Class : >Class 8
20

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