IDNStudy.com, ang iyong platform ng sanggunian para sa malinaw na mga sagot. Hanapin ang impormasyon na kailangan mo nang mabilis at madali sa pamamagitan ng aming komprehensibo at eksaktong platform ng tanong at sagot.

9. What kind of force is stepping on the brakes of a bicycle produce to make it stop? a. buoyant force b. collision force C. friction d. gravitational force 10. Why are roads constructed rough and not smooth? a. It makes the vehicles heavier b. It makes the vehicles lighter C. It slows down the vehicles d. It speeds up the vehicles​