Suriin ang malawak na saklaw ng mga paksa sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng kumpleto at eksaktong sagot mula sa aming komunidad ng mga propesyonal.

Which of the following is not true about friction?
A. Friction always produce undesirable effects.
B. Friction acts in the opposite direction of motion.
C. Friction increases when one object is on top of the other.
D. Greater work is done in pushing objects because of friction. ​