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anonymous
 4 years ago
a particle of mass 6kg is being pushed across a smooth horizontal plane by a force of 30N acting downwards at 20 degree to the vertical. find the acceleration of the particle and the force the particle exerts on the plane
anonymous
 4 years ago
a particle of mass 6kg is being pushed across a smooth horizontal plane by a force of 30N acting downwards at 20 degree to the vertical. find the acceleration of the particle and the force the particle exerts on the plane

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0F=ma Fsin20=6a 30sin20=6a a=4.6m/s^2 (acceleration of particle)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Fcos20=force on plane=12N

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0how do you get Fcos 20 = force on plane = 12N?? i cant understand

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1328026490785:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The x component of the force is Fcos20, which is the force acting on the plane

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0*oops, meant y component

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327911796350:dw
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