AP physics 1 Uniform Circular Motion
Physics
9th - 12th Grade
NGSS covered
Used 221+ times
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This quiz comprehensively covers uniform circular motion and universal gravitation, fundamental topics in AP Physics 1 appropriate for grades 11-12. The questions assess students' understanding of centripetal force, centripetal acceleration, tangential velocity, and gravitational relationships through both conceptual reasoning and mathematical problem-solving. Students must demonstrate mastery of key formulas including F = mv²/r for centripetal force, a = v²/r for centripetal acceleration, and F = Gm₁m₂/r² for gravitational force. The content requires students to understand that centripetal acceleration results from constant directional changes toward the center of circular motion, that velocity remains tangent to the circular path, and that gravitational force follows an inverse square relationship with distance. Students need strong algebraic skills to manipulate these equations and conceptual understanding to predict motion patterns and force directions in various circular motion scenarios. This quiz was created by a classroom teacher who designed it for students studying AP Physics 1 in grades 9-12. The assessment serves multiple instructional purposes, functioning effectively as a comprehensive review before unit exams, formative assessment during instruction, or homework to reinforce problem-solving techniques. Teachers can use individual questions as warm-up problems to activate prior knowledge or deploy the entire quiz to gauge student readiness for advanced circular motion applications. The varied question formats—from direct calculations to conceptual predictions about motion paths—allow educators to identify specific areas where students need additional support. This quiz aligns with NGSS HS-PS2-1 (analyzing data to support claims about forces during interactions) and supports the mathematical practices emphasized in AP Physics 1, particularly the ability to apply mathematical routines to physical situations and connect mathematical representations to physical phenomena.
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22 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the mass of an object if it took 20 N of force to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s
Tags
NGSS.MS-PS2-2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Why do objects experience centripetal acceleration?
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
At the instant shown in the diagram, the car's centripetal acceleration is directed-
toward E
toward N
toward W
clockwise
Tags
NGSS.HS-PS2-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The velocity is always _____ to the line of a circle.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
If the radius of the string is .3 meters long and the stopper makes 5 revolutions per second, what is the speed of the stopper? (Hint: C=2πr)
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a ball is swinging at the end of a rope and the rope is suddenly cut, assuming there is no gravity, what best describes the path it will take?
It will fly in a straight line forward from where it was cut
It will fly in a curved line away from the circle
It will fly inward toward the circle
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A toy train moves in a circular track with a velocity of 2.2 m/s, the axis of rotation is 1.8 m. What is its centripetal acceleration?
1.22 m/s2
0.81 m/s2
2.69 m/s2
1.47 m/s2
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