Physics Chapter 11 - Episcopal School of Dallas
Physics Chapter 11
1. What does torque mean? What is the equation for torque?
2. When is torque produced?
3. What are four examples of torques?
4. What is a lever arm? What is another name for a lever arm?
5. What is the difference between torque and a force? What is the difference between torque and work?
6. If you cannot exert torque to turn a stubborn bolt, would more torque be produced if you fastened a length of rope to the wrench handle? How could you increase the torque?
7. How does the center of gravity play a role in torque?
8. What is the formula for balanced torques? What is the unit for torque?
9. How do you know if a torque is positive or negative?
10. What does rotational inertia mean? What is another name for rotational inertia?
11. How can you reduce your rotational inertia?
12. What is the equation for rotational inertia?
13. A heavy iron cylinder and a light wooden cylinder, similar in shape, roll down an incline. Which will have more acceleration?
14. Why is the rotational inertia greater for a gymnast when she swings by her hands from a horizontal bar with her body fully extended than when she executes a somersault?
15. What is the difference between linear and angular momentum?
16. What is rotational velocity?
17. What is the law of conservation of angular momentum?
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