What is the angular acceleration of an object in uniform circular motion?
Nonuniform Circular Motion - Ball in a Vertical Circle

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Physics, Science
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11th Grade - University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is constant.
It is zero.
It varies with time.
It depends on the radius.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which force always acts inward toward the center of the circle in vertical circular motion?
Tension force
Gravitational force
Centrifugal force
Frictional force
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the force of tension vary as the ball moves in a vertical circle?
Because the mass of the ball changes.
Because the speed of the ball is constant.
Because the direction of gravity changes relative to the circle.
Because the radius of the circle changes.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which direction do we break forces into components for circular motion analysis?
Radial and tangential directions
Horizontal and vertical directions
Parallel and perpendicular directions
X and Y directions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the radial component of the force of gravity as the ball moves from the top to the bottom of the circle?
It decreases and then increases.
It remains constant.
It becomes zero.
It increases and then decreases.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between tangential acceleration and tangential speed?
Tangential acceleration is always zero.
Tangential acceleration affects the change in tangential speed.
Tangential acceleration is proportional to tangential speed.
Tangential acceleration is inversely proportional to tangential speed.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does centripetal acceleration change as the ball moves from the top to the bottom of the circle?
It remains constant.
It decreases.
It becomes zero.
It increases.
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