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WorksheetsCircular Motion
Total questions: 10
Worksheet time: 11mins
Name
Class
Date
1.
Bruno the bat has a mass of 0.58 kg and flies at a speed of 0.8 m/s in circle of radius 0.5 m. What is his acceleration?
a)
0.25 m/s2
b)
1.3 m/s2
c)
1.6 m/s2
d)
0.74 m/s2
2.
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
3.
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
4.
A race car completes three laps of a circular track with a radius of 35 m in 9.0 seconds. Determine the speed of the car.
a)
3.9 m/s
b)
73.3 m/s
c)
24.4 m/s
d)
1.0 m/s
5.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
What would the force between them be if the distance between them were doubled?
a)
9
b)
18
c)
72
d)
144
6.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were divided by 2?
What would the force between them be if the distance between them were divided by 2?
a)
9
b)
18
c)
72
d)
144
7.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if one of the masses were doubled?
What would the force between them be if one of the masses were doubled?
a)
9
b)
18
c)
72
d)
144
8.
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if both of the masses were doubled?
What would the force between them be if both of the masses were doubled?
a)
9
b)
18
c)
72
d)
144
9.
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
a)
2.4 m/s
b)
3.6 m/s
c)
3.9 m/s
d)
4.2 m/s
10.
Calculate the centripetal force required to make a 5 kg ball move 4 m/s in a circle with a radius of 2 m.
a)
10 N
b)
20 N
c)
30 N
d)
40 N
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