
Equilibrium in Two Dimensions

Interactive Video
•
Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary factor to consider when trying to balance on a stump?
The height of the stump
The speed of movement
The alignment of the center of gravity with the support base
The color of the stump
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In static equilibrium, what must be true about the net force and net torque?
Both net force and net torque must be zero
Net torque must be zero, but net force can vary
Net force must be zero, but net torque can vary
They must both be greater than zero
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for an object to be in static equilibrium?
The object is rotating rapidly
The object is at rest or moving at a constant speed
The object is changing its shape
The object is accelerating
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a condition for equilibrium in two dimensions?
Net force in the z direction is zero
Net torque in the z direction is zero
Net force in the x direction is zero
Net force in the y direction is greater than zero
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be true for an object to have no resultant torque?
Torque is not a factor in equilibrium
Clockwise torque is greater than anticlockwise torque
Anticlockwise torque is greater than clockwise torque
Clockwise torque equals anticlockwise torque
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the movie scene example, what prevents the knife from rotating?
The application of a normal reaction force
The weight of the knife
The color of the knife
The knife's sharpness
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if the center of gravity is not aligned with the support point?
The object will disappear
The object remains perfectly still
The object will change color
The object will rotate or move unpredictably
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