A particle moving with velocity v is acted by three forces shown by the ...
Neet 2019 NLM & Frctn q 1 If you
haven't seen my hint video . Funda Kya for this qus , then you should watch it
first then try to solve by yourself . This qus is a mix of Vectors & Newton's
law. As i told you earlier ,in this qus we need to apply Triangle law of vector
addition & since in this qus all vectors are added in such a way that there
resultant will be zero. According to Newton's second law of motion , we knew
that Net force zero means either mass of particle is zero or acceleration is
zero. Clearly mass cannot be zero then only acceleration could be zero and if
acceleration is zero then Velocity will remains constant.
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