Rotational Kinematics MC Review

Description

12th grade Physics Quiz on Rotational Kinematics MC Review, created by Kate S on 16/10/2017.
Kate S
Quiz by Kate S, updated more than 1 year ago
Kate S
Created by Kate S over 6 years ago
51
0

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

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