University:
Monmouth University
Course:
PH-101 | Physics in Our Lives
Academic year:

2023
Views:

122

Pages:

2
Author:

Walker Riddle

Stickytape Lab Answers 1. a) b) c) When a U-tape is brought close to your hand, it attracts repels has no reaction 2. a) b) c) When a U-tape is brought close to wood, it attracts repels has no reaction 3. a) b) c) When a U-tape is brought close to another U-tape, it attracts repels (since they have the same charge) has no reaction 4. a) b) c) After rubbing the smooth side of a U-tape with your finger, the U-tape is attracted to your hand repelled by your hand unaffected by your hand (because the tape has been neutralized) 5. After rubbing a plastic pen in your hair, a U-tape is a) attracted to the pen (pen becomes negatively charged, so the tape must be positively charged) b) repelled by the pen c) unaffected by the pen 6. When a piece of paper is held between two U-tapes, they a) attract each other (the paper attracts the tapes more strongly than the U-tapes repel each other) b) still repel each other c) are unaffected by each other 7. a) b) c) When a U-tape and an L-tape are brought close to each other, they attract each other (started neutral, but ripping caused U to be positive and L negative) repel each other are unaffected by each other 8. a) b) c) When an L-tape is brought close to your hand, it attracts repels has no reaction 9. a) b) c) An L-tape is brought close to another L-tape, it attracts repels (since they have the same charge) has no reaction 10. An uncharged object and a charged object will a) never repel (since polarization will always make the opposite charges be closer to each other, leading to attraction) b) never attract 11. Attraction between two objects always indicates that a) one of the objects is charged and the other is neutral b) the two objects have opposite charge c) one of the objects is charged and the other is neutral d) either (a) or (c) e) none of the above 12. Repulsion between two objects always indicates that a) one of the objects is charged and the other is neutral b) the two objects have the same charge c) the two objects have opposite charge d) either (a) or (c)