
Centripetal Force
Quiz
•
Physics
•
12th Grade
•
Practice Problem
•
Medium
Standards-aligned
farizwa ibrahim
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Calculate the amount of centripetal force it takes for a softball pitcher to rotate a ball with a velocity of 3 ms-1 if the ball weighs 0.12 kg and her arm is 0.65 meters long.
0.38
0.55
1.23
1.66
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A dolphin swims in a circle with a radius of 30 m and moves with a velocity of 3.2 ms-1. What is the dolphin’s centripetal acceleration?
0.341 ms-2
0.106 ms-2
96 ms-2
307.2 ms-2
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A Hot Wheels toy car races around a circular track that has a radius of 1.2 meters. It moves around the track with a velocity of 1.8 ms-1. What is the toy’s centripetal acceleration?
1.5 ms-2
2.7 ms-2
2.16 ms-2
3.89 ms-2
Tags
NGSS.HS-PS2-1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Centripetal acceleration acts towards the ___________ of the circular motion
centre
circumference
Tags
NGSS.HS-PS2-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The velocity is always _____ to the line of a circle.
outwards
towards the center
faster
tangent
6.
MULTIPLE CHOICE QUESTION
2 mins • 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
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A 25kg boy is riding a merry-go-round with a radius of 5 m. What is the centripetal force on the boy if his velocity is 6 ms-1?
180 N
150 N
120 N
245 N
Tags
NGSS.HS-PS2-1
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