로그인
Physics for IGCSE & O level - Forces And Motion (Section 11 - No. 21)
What is a force that opposes motion between two surfaces?
Gravity
Friction
Inertia
Acceleration
설명
Friction is the force that opposes the motion between surfaces in contact.
댓글 (0)
댓글을 달려면 로그인하세요
광고
자바스크립트가 이 페이지를 올바르게 로드하도록 허용
