You want to move a hay bale to the top of a hill using a forklift. Find the minimum tractive force, P, between the tires and the ground that is required to move the hay bale. The mass of the bale is 1200 kg. Assume µ, = 0.4 between the bale and the ground and between the bale and the vertical forklift platform. 30 P = 22.1 kN

You want to move a hay bale to the top of a hill using a forklift. Find the minimum tractive force, P, between the tires and the ground that is required to move the hay bale. The mass of the bale is 1200 kg. Assume µ, = 0.4 between the bale and the ground and between the bale and the vertical forklift platform. 30 P = 22.1 kN

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

See similar textbooks

Similar questions

The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016, determine the force F required to advance the bar at a constant speed.
Find the tension T in the cable when the 180-N force is applied to the pedal at E. Neglect friction and the weights of the parts.
Q2: a- Calculate the centripetal force exerted on 900 kg car that negotiates a 500 m radius curve at 25 m/sec. b- Assuming an unbanked curve ,find the minimum statics coefficient of friction between the tires and the road ,statics friction being the reason that keeps the car from slipping.
A dictionary is pulled to the right at constant velocity by a 10 N force acting 30° upward above the horizontal. The coefficient of kinetic friction between the book and the horizontal surface is 0.5. What is the weight of the book?
Block of mass m=50 g, at rest slide down on inclined plane with angle e = 30 how it takes to move distance 5 cm on this plane: mg Select one: a. 10 s b. 1s c. 0.1 s d. 100 s e. 2.5 s
Two box hang from the ends of a string suspended from a frictionless pulley. The mass on the left is chosen to create a tension of 4 N in the string. The box on the right has a weight of 2 N. What will be the acceleration of the box on the right? Assume the acceleration of gravity is 9.8 m/s?. 4 N 2 N
The height of the g point is 0.5m, the distance of the rear wheel to theg point is 1.75m, the distance of the front wheel to the g point is 1.8 m, and the car with a mass of 2100kg brakes suddenly while moving at 24v speed. l-Find the friction coefficient between the wheel and the road? 2-Find the way the vehicle takes until it stops?
A 140-kg block is resting on a 25 deg inclined plane with a coefficient of friction = 0.83. Find the required horizontal force P (kN) that is necessary to start the block UP the incline ROUND OFF TO TWO DECIMAL PLACES.
An electric elevator with a motor at the top has a multistrand cable weighing 8.4 lb/ft. When the car is on the first floor 270 feet of cable are paid out, and effectively 0 feet when the car is on the top floor. How much work does the motor do to lift an 1800 lb car and cable from the first floor to the top? Provide a picture model, give the approximate equation, then solve.
In a Porter governor, the mass of the central load is 18 kg and the mass of each ball is 2 kg. The top arms are 250 mm while the bottom arms are each 300 mm long. The friction of the sleeve is 14 N. If the top arms make 45° with the axis of rotation in the equilibrium position, find the range of speed of the governor in that position. 503.2
A 360-kg block is resting on a 23 deg inclined plane with a coefficient of friction = 0.47. Find the required horizontal force P (kN) that is necessary to start the block UP the incline.
A crate of 68 kg simply stands on the moving cart with constant acceleration a. The height from the center of gravity to the cart, L, is 1.5 m, and the angle 0= 13°. What is the maximum acceleration a (in m/s²) the cart can have without tipping over on the cart? The coefficient of static friction between the crate and the cart is ls = 0.49. Please pay attention: the numbers may change since they are randomized. Your answer must include 3 places after the decimal point. Take g = 9.81 m/s². 0.5 m |0.5 m • G a Your Answer: Answer