Consider the case of the car which fell into the river and the subsequent lift trucks which came to pick up the drowned car. The above diagrams show the point of application of forces along the lift arm. Why did the first lift truck fall into the river (while lifting the car), while the second lift truck successfully lifted the car? Hint: Select 2 answers. You can assume that the length of the arm is same for both the lift trucks.
Consider the case of the car which fell into the river and the subsequent lift trucks which came to pick up the drowned car. The above diagrams show the point of application of forces along the lift arm. Why did the first lift truck fall into the river (while lifting the car), while the second lift truck successfully lifted the car? Hint: Select 2 answers. You can assume that the length of the arm is same for both the lift trucks.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Second lift-truck
N(support point)
"Pivot
W(car)
First lift-truck
N(support point)
Pivot
W(car)
W(car): weight of drowned car.
N(support point): Normal reaction at the support point of lift truck.
Consider the case of the car which fell into the river and the subsequent lift trucks which came to
pick up the drowned car. The above diagrams show the point of application of forces along the lift
arm. Why did the first lift truck fall into the river (while lifting the car), while the second lift truck
successfully lifted the car? Hint: Select 2 answers.
You can assume that the length of the arm is same for both the lift trucks.
Torque due to W(car) was greater than torque due to N(support point) for first lift truck.
Torque due to W(car) was less than torque due to N(support point) for first lift truck.
Torque due to W(car) was less than torque due to N(support point) for second lift truck.
Torque due to W(car) was greater than torque due to N(support point) for second lift truck.
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