Circular Motion Review

Quiz
•
Physics
•
12th Grade
•
Hard
Standards-aligned
JOSEPH SASSO
Used 19+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object, shown in the accompanying figure, moves in uniform circular motion. Which arrow best depicts the net force acting on the object at the instant shown?
A) A
B) B
C) C
D) D
E) None
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An object, shown in the accompanying figure, moves in uniform circular motion. Which arrow best depicts the direction of the velocity of the object at the instant shown?
A) A
B) B
C) C
D) D
E) None
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A car moves along the curved track. What is the apparent weight of the driver when the car reaches the lowest point of the curve? (Remember Fc = ma)
A) mg
B) mg + ma
C) ma – mg
D) mg/ma
Tags
NGSS.HS-PS2-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.2 kg ball rotates at a constant speed of 3 m/s on the end of 1.2 m long string. The string describes a horizontal circle. What is the centripetal acceleration of the object?
1.2 m/s^2
3.0 m/s^2
7.5 m/s^2
3.2 m/s^2
Tags
NGSS.HS-PS2-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A 0.2 kg ball rotates at a constant speed of 3 m/s on the end of 1.2 m long string. The string describes a horizontal circle. What is the centripetal force exerted on the object?
1.0 N
1.2 N
0.2 N
1.5 N
Tags
NGSS.HS-PS2-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A child whirls a ball at the end of a rope, in a uniform circular motion. Which of the following statements is NOT true?
The speed of the ball is constant.
The velocity of the ball is constant.
The radius is constant
The magnitude of the ball's acceleration is constant.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A centripetal force F is applied to an object moving at a constant speed v in a horizontal circle of radius r. If the radius is quadrupled and the speed is doubled, what happens to the centripetal force?
Increased by a factor of 2
Decreased by a factor of 2
Doesn't change
Increased by a factor of √2
Tags
NGSS.HS-PS2-1
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