- 問題詳情:完成句子;根據句意,用括號中所給單詞的正確形式填空。1.On_______(father)Day,Ioftenprepareaspecialgiftformyfather.2.YangJiang,awellknownwriter,wenttoEnglandfor_______(far)studyin1935.3.Theyoungcouplelikekidsverymuchandplantohavea______(two)baby.4...
- 19514
- 問題詳情:如圖所示,物塊所受重力為1ON,放在光滑斜面上由一*簧秤沿斜面拉住,使它靜止.已知*簧秤讀數為6N,則斜面對物塊的支持力大小為()A.4NB.8NC.10ND.無法確定【回答】B知識點:共點力的平衡題型:選擇題...
- 18257
- 問題詳情:用5N的水平拉力使木塊在水平桌面上做勻速直線運動,現改用1ON的水平拉力使木塊仍在這一水平桌面上運動,此時木塊受到的滑動摩擦力大小是()A.大於5N,小於IONB.10NC.5ND.無法判斷【回答】【分析】根據勻速直線運動的物體受到平衡力作用,求出滑動摩擦力大小.滑動摩擦力大小跟壓...
- 13725
- 問題詳情:根據句意,用括號中所給單詞的正確形式填空。1.On_______(father)Day,Ioftenprepareaspecialgiftformyfather.2.YangJiang,awellknownwriter,wenttoEnglandfor_______(far)studyin1935.3.Theyoungcouplelikekidsverymuchandplantohavea______(two)baby.4.Dickdec...
- 25706