PHYSICS

[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!!!!!!!

  1. 0
  2. 11
asked by Ryan
  1. 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)

    posted by bobpursley
  2. so i should add the 2040 with what? whats the horozontal force?

    posted by Ryan
  3. wait what is the weight of the car 1010 kg?

    posted by Ryan
  4. The force pulling the car is exactly this
    (masscar+masstrailer)acceleartion

    posted by bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. MATH PLZ HELP

    Jerry needs to buy a used car, but only has $630.00. He wants to purchase a yellow sports car with 61,000 miles. The owner is asking $1,920.00. If he earns $120.00 per week at the Coffee Shack, which equation represents the number
  2. physics

    A 990 kg car is pulling a 300 kg trailer. Together, the car and trailer have an acceleration of 2.13 m/s2 in the forward direction. Neglecting frictional forces on the trailer, determine the following (including sign). (a) the net
  3. Physical Science 2

    The attraction or pull of a person's body toward the earth, by the earth is called weight. The reaction to this force is the: My answer is B A. earth's surface pushing against the person's body B. person's body pulling on the
  4. Physics

    Your car is stuck in the mud and two friends are helping you. One is pulling on your car with a force of 370 N at a 40 degree angle and the other is pulling with a force of 450 N at a 30 degree angle. A force of 725 N is required
  5. Sandy

    Hi, I need some help with this problem: The density of ice is 920 kg/m3, and that of sea water is 1030 kg/m3. What fraction of the total volume of an iceberg is exposed? I took the density of the iceberg divided by the density of
  6. physics

    Car A is travelling at 22.0 m/s and car B at 29.0 m/s. Car A is 300 m behind Car B when the drive of car A accelerates his car with an acceleration of2.4 m/s2. How long does it take Car A to overtake Car B?
  7. Physics

    A car of mass 920.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 48.2 km/hr (13.4 m/s), the net power which the engine supplies is 5900.0 W (in addition to the extra power required to make
  8. physics mechanical energy and power

    A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd = 300 N. Write an expression for the power the car must produce Pi to maintain its speed. Part (b) What
  9. MATH

    A car is towing a trailer along a horizontal straight road using a horizontal tow-bar. The masses of the car and trailer are 1050kg and 200kg respectively. The resistance to motion of the car is 850N and the resistance to motion
  10. pre-calculus

    While pulling a stalled car, a tow truck's cable makes an angle of 50 degrees above the road. If the tension on the tow truck's cable is 1600 newtons, how much work is done by the truck on the car pulling it 1.5 kilometers down

More Similar Questions