AP Physics Mechanics C Rotation

Quiz
•
Physics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
Charles Martinez
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A woman sits on a spinning piano stool with her arms folded. When she extends her arms, which of the following occurs?
She increases her moment of inertia, thereby increasing her angular speed.
She increases her moment of inertia, thereby decreasing her angular speed.
She decreases her moment of inertia, thereby increasing her angular speed.
She decreases her moment of inertia, thereby decreasing her angular speed.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A ball, rolling without slipping on a horizontal surface, encounters a frictionless, downward sloping ramp, as shown above. Which of the following correctly describes the motion of the ball on the ramp?
Increasing translational speed with constant nonzero angular speed
Increasing translational speed with decreasing angular speed
Increasing translational speed with increasing angular speed
Increasing translational speed with no angular speed
Tags
NGSS.HS-PS2-1
NGSS.HS-PS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two identical cylindrical discs have a common axis. Initially one of the discs is spinning. When the two discs are brought into contact, they stick together. Which of the following is true?
The total kinetic energy and the total angular momentum are unchanged from their initial values.
Both the total kinetic energy and the total angular momentum are reduced by half.
The total angular momentum is unchanged, but the total kinetic energy is reduced by half
The total angular momentum is reduced by half, but the total kinetic energy is unchanged.
Tags
NGSS.HS-PS2-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A solid disk of mass M, radius R and rotational inertia I
is free to rotate about a fixed frictionless axis through its center. A force of constant direction and constant magnitude F is exerted on the disk.If the disk accelerates from rest at time t=0, through what angle θ does the disk rotate from t=0 to t=T?
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A disk initially at rest is acted upon by a constant net torque of τ. The disk spins for a period of t seconds and rotates an angular distance of Δθ. The same disk is brought to rest. The disk is now acted upon by a constant net torque of 2τ. The disk spins for the same period of t seconds. What is the new angular distance the disk rotates?
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