Torque and Angular Momentum Worksheet
Explore the concepts of torque and angular momentum with this comprehensive worksheet for Grade 11 physics students.
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Torque and Angular Momentum
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. Which of the following best describes torque?
A linear force causing acceleration.
The rotational equivalent of force.
The resistance to rotational motion.
The rate of change of linear momentum.
2. Angular momentum is conserved when:
The net external force is zero.
The net external torque is zero.
The object is at rest.
The object is moving at a constant linear velocity.
1. Torque is calculated by multiplying the force applied by the .
2. The SI unit for torque is the .
3. Angular momentum depends on an object's moment of inertia and its .
1. A mechanic uses a torque wrench to tighten a bolt. The wrench is 0.30 meters long, and the mechanic applies a force of 50 N at the end of the wrench, perpendicular to its handle. Calculate the torque applied to the bolt.
2. Explain the principle of conservation of angular momentum and provide a real-world example.
1. A larger moment arm results in a smaller torque for the same applied force.
True
False
2. If a system's angular momentum is conserved, its rotational kinetic energy must also be conserved.
True
False
Match the term on the left with its definition on the right.
1. Torque
a. Product of moment of inertia and angular velocity
2. Angular Momentum
b. Rotational inertia of an object
3. Moment of Inertia
c. A twisting force that causes rotation