Torque and Angular Momentum Worksheet
Explore the concepts of torque, angular momentum, and their applications in physics at a Grade 10 level.
Includes
Standards
Topics
Torque and Angular Momentum
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Read each question carefully and provide your best answer. 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 measure of an object's inertia
The rate of change of linear momentum
2. What is the unit of torque in the SI system?
Joules (J)
Newtons (N)
Newton-meters (N·m)
Watts (W)
3. The principle of conservation of angular momentum states that if no external acts on a system, the total angular momentum of the system remains constant.
4. Torque is calculated by multiplying the force applied by the arm.
5. A mechanic applies a force of 50 N to a wrench that is 0.25 m long. If the force is applied perpendicular to the wrench, what is the magnitude of the torque produced?
6. Explain how an ice skater can increase their rotational speed by pulling their arms inward.
7. Angular momentum is a scalar quantity.
True
False
8. The direction of torque is always perpendicular to both the force and the lever arm.
True
False
Match the term with its definition.
9. Torque
a. The product of an object's moment of inertia and its angular velocity
10. Angular Momentum
b. The rotational equivalent of force, causing rotational acceleration
11. Lever Arm
c. The perpendicular distance from the axis of rotation to the line of action of the force
12. Describe two real-world examples where the concept of torque is important, and explain why. Include a discussion of how the lever arm and applied force affect the torque in each example.