SOLUTION: please help Topic : vectors A car is on a driveway that is inclined 10° to the horizontal. A force of 2 178N is required to keep the car from rolling down the driveway. a)Fi

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Question 1084111: please help
Topic : vectors
A car is on a driveway that is inclined 10° to the horizontal. A force of 2 178N is required to keep the car from rolling down the driveway.
a)Find the weight of the car.
b)Find the force that the car exerts against the driveway.
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
please help
Topic : vectors
A car is on a driveway that is inclined 10° to the horizontal. A force of 2 178N is required to keep the car from rolling down the driveway. 

a)Find the weight of the car.                                 W*sin(10°) = 2178. From this equation find W, weight in newtons.

b)Find the force that the car exerts against the driveway.    N*cos(10°) = 2178.  From this equation find N, the force that 
                                                              the car exerts against the driveway.


See the lesson
    - Using vectors to solve problems in Mechanics: Force, Problem 3
in this site.


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