Force and acceleration

  • Thread starter urooj
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  • #1
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Homework Statement


in accelaration is it must for a force to be involved?
is it must for accelaration to be constant in absence of force?

Homework Equations


f=ma


The Attempt at a Solution



well as far as my attempt goes for both q i am getting only one ans and that is yes.
but the actual answers are different,i.e,no.
i thought lot but i cant gety at it.
kindly help.
 

Answers and Replies

  • #2
Doc Al
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The first question is straightforward; the answer is yes.

But that second question is a strange one; in the absence of force what must the acceleration be?
 
  • #3
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i forgot to mention this that only real forces must be taken.
the actual q is matchin-
acceleration- i)frame dependent
ii)force must be involved
iii)must be in the direction of net for(including pseudoforce)
iv)must remain constant if no force is there

to which options does acceleration match?
 

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