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Rotational Kinematics MC Review
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Questions in this quiz (12)
1Which of the following is the rotational analog of velocity?
- Aα
- BI
- Cω
- Dτ
2A 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.- A.05 rad/s²
- B1 rad/s²
- C2 rad/s²
- D4 rad/s²
- E5 rad/s²
3A 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?- A1 rad/s²
- B2 rad/s²
- C3 rad/s²
- D4 rad/s²
- EIt cannot be determined without knowing the radius
4A 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?- A1J
- B2J
- C3J
- D4J
- EIt cannot be determined without knowing the radius of the cylindar
5The 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...
- A2 m/s²
- B4 m/s²
- C5 m/s²
- D7 m/s²
- E10 m/s²
6A 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?
- A(GM) / (mv)
- B(Gv) / (Mm)
- C(GM) / (v²)
- D(GmM) / (v)
- E(GmM) / (v²)
7A 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...
- A0
- Bmva
- Cmvx₀
- Dmv √(x² + a²)
- Emva / √(x² + a²)
8A 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?
- A(r₁ v₁) / (r₂)
- B(r₂ v₁) / (r₁)
- C(v₂-m₂) v₁
- D((r₁+r₂) v₁) / 2
- E((r₁-r₂) v₁) / (r₁-r₂)
9A 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....
- AI₀ + (1/4) ML²
- BI₀ + (1/2) ML²
- CI₀ + (1/3) ML²
- DI₀ + ML²
- EI₀ + (5/4) ML²
10A 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?
- A3M₀ℓ²
- B9M₀ℓ²
- C2M₀ℓ²
- D4M₀ℓ²
- E7M₀ℓ²
11A 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?
- A3M₀ℓ²
- B9M₀ℓ²
- C2M₀ℓ²
- D4M₀ℓ²
- E7M₀ℓ²
12A 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?
- AgM₀ℓ
- B2gM₀ℓ
- C3gM₀ℓ
- D5gM₀ℓ
- E7gM₀ℓ
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- Description
- 12th grade Physics Quiz on Rotational Kinematics MC Review, created by Kate S on 16/10/2017.
- Author
- Kate S
- Language
- English
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- 127
- History
- Created on 16 Oct 2017 · updated on 17 Oct 2017
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