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rohan bhatia Grade: 11
        

sir pls pls pls solve this quotion


8 years ago

Answers : (1)

neeraj pawar
8 Points
										

when bob is in its max. height the components of mg & ma are-:


components  of  mg


mg cos θ & mg sin θ


components of ma (pseudo force)


ma sin θ & ma cos θ


now total force on bob is


mg sin θ - ma cos θ = ma? (a? acc. of bob w.r.t trolley)


therefore a? = g sin θ - a cos θ

8 years ago
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