A 3500 kg truck is parked on a 7.0∘ slope. how big is the friction force on the truck?
Asked by maham237 @ in Physics viewed by 284 People
Answered by maham237 @
Answer:
4180 N
Explanation:
In order to keep the truck balanced and stationary, the force of friction on the truck must be equal to the component of the weight of the truck acting parallel to the slope.
The component of the weight of the truck acting parallel to the slope is:
where
m = 3500 kg is the mass of the truck
g = 9.8 m/s^2 is the acceleration of gravity
is the angle of the slope
Therefore, the force of friction must be equal to
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