Q. A train is moving along a straight horizontal track. A pendulum from the roof of one of the carriage of the train is inclined at 4 degrees to the vertical. Calculate the acceleration of the train.

Question

surry99 · Answer

do you know how to draw a free body diagram for the pendulum?

ookawaiioo · Answer

ma= -mgsin0

0= degrees

Solve for a

vincent-lyon.fr · Answer

Sorry, but @oOKawaiiOo 's  answer is not correct.
As @surry99 said, you must draw a fbd for the situation.

ookawaiioo · Answer

oops I didnt read all of the question.....I just saw pendulum......

Studying at he library since 5:30 AM is taking its toll

vincent-lyon.fr · Answer

np, it happens to all of us :)

ookawaiioo · Answer

Sure does ! :)

anonymous · Answer

No, I don't know how to draw the fbd.

surry99 · Answer

ok, takea  look on line or in your book and see if you can figure out how to draw the FBD of the pendulum mass.  A FBD is just a diagram showing all the forces that act on an object.