Problem 17.47

The snowmobile has a weight of 250 lb , centered at G1, while the rider has a weight of 155 lb , centered at G2.

 

 

 

Part A

If the acceleration is a = 22 ft/s2 , determine the maximum height h of G2 of the rider so that the snowmobile’s front skid does not lift off the ground. (Figure 1)

Express your answer with the appropriate units.

hmax =

2.66 ft

 

 

Part B

What is the traction (horizontal) force under the rear tracks at A?

Express your answer with the appropriate units.

FA =

277 lb

 

 

Part C

What is the normal reaction under the rear tracks at A?

Express your answer with the appropriate units.

NA =

405 lb