Qualification > Sciences
physics
ruby92:
A car of mass 1000kg pulls a mass of 800kg,The driver wants to speed up with an acceleration of 2ms-2.with what force must the car pull the mass?what motive force must the engine provide?
nid404:
F=ma
F=1800X2=3600N
yaa?
Saladin:
--- Quote from: nid404 on April 19, 2010, 08:25:57 pm ---F=ma
F=1800X2=3600N
yaa?
--- End quote ---
That is correct if you assume that the tension is unifor in the rod connecting the two, and it is paralell to the ground.
T.Q:
--- Quote from: ruby92 on March 27, 2010, 06:34:19 pm ---its 2A then 0A then 2 A
--- End quote ---
the answer is 0A THEN 0A THEN 0A
nid404:
--- Quote from: The Original Dude 321 on April 19, 2010, 08:45:37 pm ---That is correct if you assume that the tension is unifor in the rod connecting the two, and it is paralell to the ground.
--- End quote ---
I guess cuz nothing's mentioned in the question
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