Practice Problem 2.4.8: The tow truck's front wheels will be lifted off the ground if the moment of the load W about the rear axle 30 exceeds the moment of the 6200-Ib weight of the truck. Determine the largest W that may be safely applied. 4 6200 lb -10ft-

Practice Problem 2.4.8: The tow truck's front wheels will be lifted off the ground if the moment of the load W about the rear axle 30 exceeds the moment of the 6200-Ib weight of the truck. Determine the largest W that may be safely applied. 4 6200 lb -10ft-

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.77P: The cable AOB weighs 5.2 N/m. When the horizontal 30-N force is applied to the roller support at B,...

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Question

How to solve this two problems?

Practice Problem 2.4.8: The tow truck's front
wheels will be lifted off the ground if the
moment of the load W about the rear axle
-6 ft
exceeds the moment of the 6200-Ib weight of
the truck. Determine the largest W that may
be safely applied.
|30°
4ft
6200 lb
10 ft

Practice Problem 2.4.5: Knowing that
the forces P and Q are equivalent to a
single force R that passes through point
A, determine P and R.
Q = 30 lb
8.5 in.
-8 in.
- 5 in.

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