Physics Principles and Problems 2009

Section 8.3 : Equilibrium

Self-Check Quizzes

1
Which vehicle would be more stable than the others if the center of mass shifted suddenly?
A)compact car
B)mini van
C)pickup truck
D)semi truck
2
A person on an amusement park ride may experience _____ force, but it really isn't a real force.
A)centripetal
B)centrifugal
C)Frictional
D)gravitational
3
What happens to an object when its velocity and angular velocity are zero or constant?
A)It accelerates.
B)It's in rotational equilibrium.
C)It's in static equilibrium.
D)It's in translational equilibrium.
4
What causes the Coriolis force?
A)gravity
B)low pressure areas
C)the rotation of Earth
D)winds
5
The _____ of an object is the point on the object that moves the same way that a point particle would move.
A)axis
B)center of mass
C)orbit
D)torque
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