Rotational Kinematics MC Review

Kate S
Quiz by Kate S, updated more than 1 year ago
Kate S
Created by Kate S over 3 years ago
7
0

Description

12th grade Physics Quiz on Rotational Kinematics MC Review, created by Kate S on 10/16/2017.

Resource summary

Question 1

Question
Which of the following is the rotational analog of velocity?
Answer
  • α
  • I
  • ω
  • τ

Question 2

Question
A cylinder rotates with constant angular acceleration about a fixed axis. The cylinder's moment of inertia about the axis is 4 kg m². At time t=0, the cylinder is at rest. At time t=2 its angular velocity is 1 rad/s. What is the angular acceleration of the cylinder between t=0 and t=2.
Answer
  • .05 rad/s²
  • 1 rad/s²
  • 2 rad/s²
  • 4 rad/s²
  • 5 rad/s²

Question 3

Question
A cylinder rotates with constant angular acceleration about a fixed axis. The cylinder's moment of inertia about the axis is 4 kg m². At time t=0, the cylinder is at rest. At time t=2 its angular velocity is 1 rad/s. What is the angular momentum of the cylinder at t=2?
Answer
  • 1 rad/s²
  • 2 rad/s²
  • 3 rad/s²
  • 4 rad/s²
  • It cannot be determined without knowing the radius

Question 4

Question
A cylinder rotates with constant angular acceleration about a fixed axis. The cylinder's moment of inertia about the axis is 4 kg m². At time t=0, the cylinder is at rest. At time t=2 its angular velocity is 1 rad/s. What is the kinetic energy1 of the cylinder at t=2?
Answer
  • 1J
  • 2J
  • 3J
  • 4J
  • It cannot be determined without knowing the radius of the cylindar

Question 5

Question
The mass of Planet X is one-tenth that of the Earth, and its diameter is one-half that of the Earth. The acceleration due to gravity at the surface of Planet X is most nearly...
Answer
  • 2 m/s²
  • 4 m/s²
  • 5 m/s²
  • 7 m/s²
  • 10 m/s²

Question 6

Question
A satellite of mass m and speed v moves in a stable, circular orbit around a planet of mass M. What is the radius of the satellie's orbit?
Answer
  • (GM) / (mv)
  • (Gv) / (Mm)
  • (GM) / (v²)
  • (GmM) / (v)
  • (GmM) / (v²)

Question 7

Question
A particle of mass m moves with a constant speed v along the dashed line y=a. When the x-cordinate of the particle is x₀, the magnitude of the angular momentum of the particle with respect to the orgin of the system is...
Answer
  • 0
  • mva
  • mvx₀
  • mv √(x² + a²)
  • mva / √(x² + a²)

Question 8

Question
A satellite S is in an elliptical orbit around a planet P, as shown above, with r₁ being the closest distance and r₂ the furthest distance from the center of the planet. If the satellite has a speed v₁ at its closest distance, what speed does it have at its farthest distance?
Answer
  • (r₁ v₁) / (r₂)
  • (r₂ v₁) / (r₁)
  • (v₂-m₂) v₁
  • ((r₁+r₂) v₁) / 2
  • ((r₁-r₂) v₁) / (r₁-r₂)

Question 9

Question
A uniform stick has length L. The moment of inertia about the center of the stick is I₀. A particle of mass M is attached to one end of the stick. The moment of inertia of the combined system about the center of the stick is....
Answer
  • I₀ + (1/4) ML²
  • I₀ + (1/2) ML²
  • I₀ + (1/3) ML²
  • I₀ + ML²
  • I₀ + (5/4) ML²

Question 10

Question
A light rod with masses attached to its ends is pivoted around a horizontal axis as shown above. When released from rest in a horizontal orientation, the rod begins to rotate. What it the rotational inertia of the 3M₀ mass around the pivot point?
Answer
  • 3M₀ℓ²
  • 9M₀ℓ²
  • 2M₀ℓ²
  • 4M₀ℓ²
  • 7M₀ℓ²

Question 11

Question
A light rod with masses attached to its ends is pivoted around a horizontal axis as shown above. When released from rest in a horizontal orientation, the rod begins to rotate. What it the rotational inertia of the system around the pivot point?
Answer
  • 3M₀ℓ²
  • 9M₀ℓ²
  • 2M₀ℓ²
  • 4M₀ℓ²
  • 7M₀ℓ²

Question 12

Question
A light rod with masses attached to its ends is pivoted around a horizontal axis as shown above. When released from rest in a horizontal orientation, the rod begins to rotate. What it the magnitude of the torque of the system around the pivot point?
Answer
  • gM₀ℓ
  • 2gM₀ℓ
  • 3gM₀ℓ
  • 5gM₀ℓ
  • 7gM₀ℓ
Show full summary Hide full summary

Similar

GCSE AQA Physics - Unit 3
James Jolliffe
Using GoConqr to study science
Sarah Egan
AQA Physics P1 Quiz
Bella Statham
GCSE AQA Physics 1 Energy & Efficiency
Lilac Potato
Waves
kate.siena
Forces and their effects
kate.siena
Junior Cert Physics formulas
Sarah Egan
Forces and motion
Catarina Borges
OCR Physics P4 Revision
Dan Allibone
P2 Radioactivity and Stars
dfreeman
Physics P1
themomentisover