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March 27, 2017

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[HELP WITH PART D PLEASE SCROLL DOWN] A 920 kg car is pulling a 300 kg trailer. Together, the car and trailer have an acceleration of 2.20 m/s2 in the forward direction. Neglecting frictional forces on the trailer, determine the following (including sign). the net force on the car
2024
(b) the net force on the trailer
660
(c) the force exerted by the trailer on the car
-660


(d) the resultant force exerted by the car on the road magnitude ____________ N
direction ________° measured from the left of vertically downwards



thanks!!!!!!!

  • PHYSICS - ,

    a, you have to have on the car a pulling force equal to a*masscar+a*masstrailer
    b. correct.
    d. on the road, that is the same as the force (Horizontal) + weightcar (down)

  • PHYSICS - ,

    so i should add the 2040 with what? whats the horozontal force?

  • PHYSICS - ,

    wait what is the weight of the car 1010 kg?

  • PHYSICS - ,

    The force pulling the car is exactly this
    (masscar+masstrailer)acceleartion

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