Uniform Circular Motion
Physics
11th - 12th Grade
NGSS covered
Used 2K+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Centripetal acceleration always points
in the direction of the object's motion
in the opposite direction of the object's motion
towards the center of the circle
towards the outside of the circle
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
0.25 ms-2
0.5 ms-2
1 ms-2
2 ms-2
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the direction of the velocity at point B, if the ball is revolving clockwise?
up
right
down
left
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The velocity is always _____ to the line of a circle.
outwards
towards the center
tangent
faster
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
Friction
Centripetal Force
Gravity
Inertia
Tags
NGSS.HS-PS2-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 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)
9.4 m/s
6.8 m/s
11.7 m/s
3.5 m/s
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Centrifugal force is a ______
force that pushes you to the outside of a circle during uniform circular motion.
fictitious force that is really just the linear momentum of an object in uniform circular motion.
The force that keeps the planets in orbit
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