ANSWER:
1. Which of the following is NOT useful to reduce friction?
A. Ball bearing
➡C. Rough surface⬅
2. What kind of friction occurs as a fish swims through the water?
➡A. Fluid⬅
B. Rolling
C. Sliding
D. Static
#CarryonLearning
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Answers & Comments
ANSWER:
1. Which of the following is NOT useful to reduce friction?
A. Ball bearing
➡C. Rough surface⬅
2. What kind of friction occurs as a fish swims through the water?
➡A. Fluid⬅
B. Rolling
C. Sliding
D. Static
#CarryonLearning