AP Physics Rotation

A particle travels at a constant speed around a circular path of radius R. If the particle makes one complete trip around the entire circle, what is the magnitude of the displacement for this trip?

• 2piR

• 2R

• 4R

• 0

Three equal masses are suspended from a classroom ceiling by a series of strings as shown in the figure. Which string has the greatest tension?

• Only String A

• Only String B

• Only String C

• Strings A, B, and C have the same non-zero tension

Tags

NGSS.HS-PS2-1

A circular object of radius R has an angular velocity of k rad/s. The angular velocity at a point R/2 is:

• 2k rad/s

• k/2 rad/s

• k² rad/s

• k rad/s

A kg-m²/s² is otherwise known as a(n)

• Newton

• Joule

• Watt

• Displacement

Tags

NGSS.HS-PS2-1

• A

• B

• C

• D

Tags

NGSS.HS-PS2-1

• A

• B

• C

• D

Tags

NGSS.HS-PS2-2

• A

• B

• C

• D

• E

Tags

NGSS.HS-PS2-2

A solid sphere and a hollow sphere of the same mass and radius are released from rest at the top of an incline. Which one reaches the bottom first?

• A) Solid sphere

• B) Hollow sphere

• C) Both reach at the same time

• D) Cannot be determined

Tags

NGSS.HS-PS2-1

A disk and a ring, both of mass M and radius R, are rolling without slipping with the same linear velocity. Which has more kinetic energy?

• A) Disk

• B) Ring

• C) Both have the same kinetic energy

• D) Cannot be determined

What is the moment of inertia of a solid cylinder of mass M and radius R about its central axis?