Qualification > Queries
ANY DOUBTS HERE!!!
Meticulous:
Any time :)
halosh92:
nov 2007 physics
Q4d
Ghost Of Highbury:
--- Quote from: nid404 on May 31, 2010, 01:19:51 pm ---Yes aadi ...what you've done is not ideally the correct way.
Resolve the forces vertically. There is no vertical motion...so no resultant vertical force
1650 sinx= 1800sin20
--- End quote ---
wudnt u add the weight of the barge too to the downward force??
1650sinx + 40,000 = 1800sin20??
halosh92:
--- Quote from: halosh92 on May 31, 2010, 05:26:01 pm ---nov 2007 physics
Q4d
--- End quote ---
could someone solve this!!!!!! ??? ??? ??? ???
cooldude:
--- Quote from: A@di on May 31, 2010, 07:44:22 pm ---wudnt u add the weight of the barge too to the downward force??
1650sinx + 40,000 = 1800sin20??
--- End quote ---
nope, nid's rite, cuz she has considered the forces acting on the barge, while the weight is the force of the gravity acting on the barge, the weight is balanced by the buoyance force acting on the barge by the water (obviously the boat and the barge will be in water :P ), just think as though the boat and the barge was on the ground, the normal force wud balance the weight of the barge and in this case the buoyance force does that
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