
Circular Motion Concepts
Authored by Lisa Thompson
Science
9th Grade
NGSS covered

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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is uniform circular motion?
An object accelerating in a circular path
An object moving in a spiral path
Uniform circular motion is the motion of an object moving in a circular path at a constant speed.
Motion in a straight line at varying speeds
Tags
NGSS.MS-PS3-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does centripetal acceleration relate to circular motion?
Centripetal acceleration pushes objects away from the center of the circle.
Centripetal acceleration is only relevant in linear motion.
Centripetal acceleration increases as the radius of the circle increases.
Centripetal acceleration is necessary for an object to maintain circular motion, directed towards the center of the circle.
Tags
NGSS.HS-PS2-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Define angular velocity and its significance in circular motion.
Angular velocity is the measure of force applied in circular motion.
Angular velocity is the speed of an object in a straight line.
Angular velocity is the distance traveled by an object in circular motion.
Angular velocity is the rate of change of angular displacement; it is significant in circular motion as it relates to linear velocity and centripetal acceleration.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a car goes around a circular curve on a level road, ...
no frictional force is needed because the car simply follows the road.
the frictional force of the road on the car increases when the car's speed decreases.
the frictional force of the road on the car increases when the car's speed increases.
the frictional force of the road on the car increases when the car moves to the outside of the curve.
Tags
NGSS.HS-PS2-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Centripetal force is...
the inward force acting on a body moving at constant speed in a circle
the outwards force acting on a body moving at constant speed in a circle
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The velocity is always _____ to the line of a circle.
outwards
towards the center
tangent
faster
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The linear velocity is always _____ to the line of a circle.
outwards
towards the center
tangent
faster
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