1) Which statement describes the picture a) Both of them are pulling b) Both of them are pushing c) One is pushing and one is pulling 2) What is a pull? a) Moving something towards you b) Moving something away from you 3) What is push a) Moving something towards you b) Moving something away from you 4) A push or a pull is called ______ a) power b) force c) strength 5) Force enables a person to perform work. a) true b) false 6) Force can put a stationary object in motion a) true b) false 7) stationary means a) the things needed for writing, such as paper, pens, pencils, and envelopes b) not moving

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?