
Rotational Motion
Authored by Matt Austin
Physics
12th Grade
NGSS covered
Used 21+ times

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19 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration?
9.6 rad/s/s
4.8 rad/s/s
3.1 rad/s/s
1.6 rad/s/s
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A fan blade, initially at rest, rotates with a constant acceleration of 0.025 rad/s2. What is the time interval required for it to reach a 4.2 rad displacement after starting from rest
Tags
NGSS.HS-PS2-1
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A gear spins at a rate of 400 revolutions/minute. Which choice is closest to its angular speed in radians/second?
6.67 rad/s
2500 rad/s
41.9 rad/s
20.9 rad/s
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A tire of 68cm in diameter travels 9.2km. How many revolutions does it make?
43.00 rads
567 revs
4300 revs
68cm
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 0.50-kg toy is attached to the end of a 1.0-m very light string. The toy is whirled in a horizontal circular path on a frictionless tabletop. If the maximum tension that the string can withstand without breaking is 350 N. What is the maximum speed the mass can have without breaking the string?
Tags
NGSS.HS-PS2-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 2.0-kg ball is moving with a constant speed of 5.0 m/s in a horizontal circle whose diameter is 1.0 m. What is the magnitude of the net force on the ball?
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diameter 1.0 m. The ball makes 2.0 revolutions every 1.0 s. What are the magnitude and direction of the acceleration of the ball?
Tags
NGSS.HS-PS2-1
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