Problem 6.21 A 5000kg truck is parked on a 12? slope. Part A How big is...

Problem 6.21

A 5000kg truck is parked on a 12? slope.

Part A

How big is the friction force on the truck? The coefficient of static friction between the tires and the road is 0.90.

Expert Solution

Force along the slope = mg sin ?

= 5000* 9.8* sin 12

= 10187.6 N

Frictional force = ? N = ? mg cos ? = 0.9 *5000*9.8*cos 12

= 43136 N

Frictional force is never greater than action force

So, frictanal force = 10187.6 N

genius_generous answered 7 months ago

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