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WorksheetsCircular motion principles
Total questions: 18
Worksheet time: 15mins
Name
Class
Date
1.
What is the SI unit for circumference?
a)
meter
b)
pi
c)
radian
d)
kilometer
2.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
3.
Which of the following depict the speed of the bowling ball?
a)
A
b)
B
c)
C
d)
D
4.
This causes acceleration toward a center...
a)
centripetal force
b)
centrifugal force
c)
Tangent
d)
Curvature
5.
the process or act of turning or circling around an axis
a)
Curvature
b)
Rotation
c)
Radius
d)
Orbit
6.
Where is the net force when the rollercoaster is at the top of the loop?
a)
Towards the sky
b)
Towards the Right
c)
Towards the left
d)
Towards the ground
7.
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
a)
A
b)
B
c)
C
d)
D
8.
What is the direction of the velocity at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
9.
What is the direction of the acceleration at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
10.
What is the direction of the acceleration at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
11.
The velocity is always _____ to the line of a circle.
a)
outwards
b)
towards the center
c)
tangent
d)
faster
12.
Which statement is true about an object that is traveling in uniform circular motion?
a)
The speed of the object varies.
b)
The net force on the object is directed toward the center of the circular path.
c)
The direction of the object's velocity is constant.
d)
The net force on the object is directed away from the center of the circular path.
13.
Centripetal acceleration always points
a)
in the direction of the object's motion
b)
in the opposite direction of the object's motion
c)
towards the center of the circle
d)
towards the outside of the circle
14.
What is the direction of the velocity at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
15.
A ball is moving at constant speed around the circle. Which vector represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
e)
Nonsense. The ball can't be accelerating while moving at a constant speed.
16.
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)
a)
9.4 m/s
b)
6.8 m/s
c)
11.7 m/s
d)
3.5 m/s
17.
Centripetal acceleration is ...
a)
Acceleration toward the center of a curved or circular path
b)
Acceleration toward the outside of a circle
c)
Vertical motion instead of horizontal motion
18.
A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?
a)
b)
c)
d)
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