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sir pls pls pls solve this quotion

sir pls pls pls solve this quotion


Grade:11

1 Answers

neeraj pawar
8 Points
12 years ago

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

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