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Free-Body Diagrams Quiz

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Questions and Answers

What must be true for equilibrium under three concurrent forces F1, F2, and F3?

Only two of the forces need to cancel out

The vector sum of the forces must be zero (correct)

The three forces must have different magnitudes

The forces must all be parallel to each other

What is the condition for translational equilibrium of a body?

Zero net external torque

Zero net internal force

Zero net external force (correct)

Non-zero net external force

In the context of equilibrium, what is the free-body diagram of W in the provided text?

Figure 5.8(a)

Figure 5.8(d)

Figure 5.8(c)

Figure 5.8(b) (correct)

What determines the angle θ in the equilibrium of point P when acted upon by forces T1, T2, and a horizontal force?

$\theta = \tan^{-1}(\frac{6}{6})$ Signup and view all the answers

Which statement correctly describes gravitational force according to the text?

It governs the motion of celestial bodies Signup and view all the answers

What offense is committed if a person operates a vehicle on a county project and fails to pay a toll?

Misdemeanor punishable by a fine not to exceed $100 Signup and view all the answers

What action can the county take if a vehicle is operated on a county project without paying the toll?

Impound the vehicle until the toll is paid Signup and view all the answers

What happens to toll violators according to the text?

They will be prosecuted Signup and view all the answers

What happens when drivers approach an EZ TAG lane?

An electronic reader verifies the tag identification number Signup and view all the answers

How is the appropriate toll amount deducted from customers' prepaid EZ TAG accounts?

Through an electronic system based on axle count Signup and view all the answers