本课配套习题挑战模式1/6
关于力的概念,下列哪句话是错误的( )
A: 没有物体就没有力 |
B: 有受力物体时,一定有施力物体 |
C: 有施力物体时,却不一定有受力物体 |
D: 只有一个物体时,不会有力 |
- 提示1:PHA+6KaB5oOz5Lqn55Sf5Yqb6Iez5bCR5pyJ5Lik5Liq54mp5L2TPC9wPg==
- 答案:Qw==
PGRpdj7opoHmg7PkuqfnlJ/lipvoh7PlsJHmnInkuKTkuKrniankvZPvvIzmsqHmnInniankvZPmiJbogIXkuIDkuKrniankvZPpg73kuI3kvJrkuqfnlJ/lipvvvIzliJlC6YCJ6aG55q2j56Gu77yMY+mUmeivryDvvIzmlYXpgIlDPGJyPjwvZGl2Pg==
本课配套习题挑战模式2/6
一只成熟的苹果,由于受地球的吸引而从树上落到地面,在此过程中苹果 ( )
A: 一定吸引地球 |
B: 不一定吸引地球 |
C: 一定不吸引地球 |
D: 无法确定是否吸引地球 |
- 提示1:PHA+5Yqb55qE5L2c55So5piv55u45LqS55qEPC9wPg==
- 答案:QQ==
PGRpdj7lipvnmoTkvZznlKjmmK/nm7jkupLnmoTvvIzlnLDnkIPlkLjlvJXoi7nmnpzvvIzlkIzml7boi7nmnpzkuIDlrprkuZ/kvJrlkLjlvJXlnLDnkIM8L2Rpdj4=
本课配套习题挑战模式3/6
甲、乙两只小船,紧挨着停在湖中,甲船里的人用手把乙船推开,其结果是( )
A: 乙船被推开,甲船仍然不动 |
B: 由于力的作用是相互的,因此乙船先离开,甲船后离开 |
C: 甲、乙两船相互远离 |
D: 以上说法均不正确 |
- 提示1:PHA+5Yqb55qE5L2c55So5piv55u45LqS55qEPC9wPg==
- 答案:Qw==
PGRpdj7lipvnmoTkvZznlKjmmK/nm7jkupLnmoTvvIznlLLoiLnph4znmoTkurrnlKjmiYvmiorkuZnoiLnmjqjlvIDvvIzlkIzml7bkuZnkvJrnu5nnlLLkuIDkuKrlpKflsI/nm7jlkIznmoTlipvvvIzliJlD5q2j56GuPC9kaXY+
本课配套习题挑战模式4/6
下列说法正确的是( )
A: 没有物体也会产生力的作用 |
B: 对于一个力,不可能只有受力物体,没有施力物体 |
C: 马拉车时,马对车有力的作用,车对马没有力的作用 |
D: 发生力的作用时,只有其中一个物体受力,另一个物体可以不受力 |
- 提示1:PHA+6KaB5oOz5Lqn55Sf5Yqb6Iez5bCR5pyJ5Lik5Liq54mp5L2T77yM5Yqb55qE5L2c55So5piv55u45LqS55qEPC9wPg==
- 答案:Qg==
PGRpdj7opoHmg7PkuqfnlJ/lipvoh7PlsJHmnInkuKTkuKrniankvZPvvIzlipvnmoTkvZznlKjmmK/nm7jkupLnmoTvvIzkuJTnm7jkupLkvZznlKjnmoTkuKTkuKrlipvlpKflsI/nm7jnrYnvvIzmlYXpgIlC44CCPGJyPjwvZGl2Pg==
本课配套习题挑战模式5/6
下列叙述中,属于一对相互作用力的是( )
A: 人推墙的力与墙受到的推力 |
B: 墙对人的力与人受到向后的力 |
C: 人推墙的力与墙对人的力 |
D: 人推墙的力与墙受到的阻力 |
- 提示1:PHA+55u45LqS5L2c55So5Yqb77yM5Yqb5L2c55So5Zyo5Lik5Liq5LiN5ZCM54mp5L2T5LiKPC9wPg==
- 提示2:PHA+5aSn5bCP55u4562J77yM5pa55ZCR55u45Y+NPC9wPg==
- 答案:Qw==
PGRpdj48c3BhbiBzdHlsZT0iY29sb3I6IHJnYigwLCAwLCAwKTsgZm9udC1mYW1pbHk6IOWui+S9kywgc2Fucy1zZXJpZjsgZm9udC1zaXplOiAxM3B4OyBmb250LXN0eWxlOiBub3JtYWw7IGZvbnQtdmFyaWFudDogbm9ybWFsOyBmb250LXdlaWdodDogbm9ybWFsOyBsZXR0ZXItc3BhY2luZzogMXB4OyBsaW5lLWhlaWdodDogMjVweDsgb3JwaGFuczogYXV0bzsgdGV4dC1hbGlnbjogbGVmdDsgdGV4dC1pbmRlbnQ6IDBweDsgdGV4dC10cmFuc2Zvcm06IG5vbmU7IHdoaXRlLXNwYWNlOiBub3JtYWw7IHdpZG93czogYXV0bzsgd29yZC1zcGFjaW5nOiAwcHg7IC13ZWJraXQtdGV4dC1zdHJva2Utd2lkdGg6IDBweDsgYmFja2dyb3VuZC1jb2xvcjogcmdiKDI1NSwgMjU1LCAyNTUpOyBkaXNwbGF5OiBpbmxpbmUgIWltcG9ydGFudDsgZmxvYXQ6IG5vbmU7Ij5B44CB5Lq65o6o5aKZ55qE5Yqb5LiO5aKZ5Y+X5Yiw55qE5o6o5Yqb77yM5piv5ZCM5LiA5Liq5Yqb77yM6YO95L2c55So5Zyo5aKZ5LiK77yb5pWFQemUmeivr++8mzwvc3Bhbj48YnIgc3R5bGU9ImxldHRlci1zcGFjaW5nOiBub3JtYWw7IGNvbG9yOiByZ2IoMCwgMCwgMCk7IGZvbnQtZmFtaWx5OiDlrovkvZMsIHNhbnMtc2VyaWY7IGZvbnQtc2l6ZTogMTNweDsgZm9udC1zdHlsZTogbm9ybWFsOyBmb250LXZhcmlhbnQ6IG5vcm1hbDsgZm9udC13ZWlnaHQ6IG5vcm1hbDsgbGluZS1oZWlnaHQ6IDI1cHg7IG9ycGhhbnM6IGF1dG87IHRleHQtYWxpZ246IGxlZnQ7IHRleHQtaW5kZW50OiAwcHg7IHRleHQtdHJhbnNmb3JtOiBub25lOyB3aGl0ZS1zcGFjZTogbm9ybWFsOyB3aWRvd3M6IGF1dG87IHdvcmQtc3BhY2luZzogMHB4OyAtd2Via2l0LXRleHQtc3Ryb2tlLXdpZHRoOiAwcHg7IGJhY2tncm91bmQtY29sb3I6IHJnYigyNTUsIDI1NSwgMjU1KTsiPjxzcGFuIHN0eWxlPSJjb2xvcjogcmdiKDAsIDAsIDApOyBmb250LWZhbWlseTog5a6L5L2TLCBzYW5zLXNlcmlmOyBmb250LXNpemU6IDEzcHg7IGZvbnQtc3R5bGU6IG5vcm1hbDsgZm9udC12YXJpYW50OiBub3JtYWw7IGZvbnQtd2VpZ2h0OiBub3JtYWw7IGxldHRlci1zcGFjaW5nOiAxcHg7IGxpbmUtaGVpZ2h0OiAyNXB4OyBvcnBoYW5zOiBhdXRvOyB0ZXh0LWFsaWduOiBsZWZ0OyB0ZXh0LWluZGVudDogMHB4OyB0ZXh0LXRyYW5zZm9ybTogbm9uZTsgd2hpdGUtc3BhY2U6IG5vcm1hbDsgd2lkb3dzOiBhdXRvOyB3b3JkLXNwYWNpbmc6IDBweDsgLXdlYmtpdC10ZXh0LXN0cm9rZS13aWR0aDogMHB4OyBiYWNrZ3JvdW5kLWNvbG9yOiByZ2IoMjU1LCAyNTUsIDI1NSk7IGRpc3BsYXk6IGlubGluZSAhaW1wb3J0YW50OyBmbG9hdDogbm9uZTsiPkLjgIHlopnlr7nkurrnmoTlipvkuI7kurrlj5fliLDlkJHlkI7nmoTlipvvvIzmmK/lkIzkuIDkuKrlipvvvIzpg73kvZznlKjlnKjkurrkuIrvvJvmlYVC6ZSZ6K+v77ybPC9zcGFuPjxiciBzdHlsZT0ibGV0dGVyLXNwYWNpbmc6IG5vcm1hbDsgY29sb3I6IHJnYigwLCAwLCAwKTsgZm9udC1mYW1pbHk6IOWui+S9kywgc2Fucy1zZXJpZjsgZm9udC1zaXplOiAxM3B4OyBmb250LXN0eWxlOiBub3JtYWw7IGZvbnQtdmFyaWFudDogbm9ybWFsOyBmb250LXdlaWdodDogbm9ybWFsOyBsaW5lLWhlaWdodDogMjVweDsgb3JwaGFuczogYXV0bzsgdGV4dC1hbGlnbjogbGVmdDsgdGV4dC1pbmRlbnQ6IDBweDsgdGV4dC10cmFuc2Zvcm06IG5vbmU7IHdoaXRlLXNwYWNlOiBub3JtYWw7IHdpZG93czogYXV0bzsgd29yZC1zcGFjaW5nOiAwcHg7IC13ZWJraXQtdGV4dC1zdHJva2Utd2lkdGg6IDBweDsgYmFja2dyb3VuZC1jb2xvcjogcmdiKDI1NSwgMjU1LCAyNTUpOyI+PHNwYW4gc3R5bGU9ImNvbG9yOiByZ2IoMCwgMCwgMCk7IGZvbnQtZmFtaWx5OiDlrovkvZMsIHNhbnMtc2VyaWY7IGZvbnQtc2l6ZTogMTNweDsgZm9udC1zdHlsZTogbm9ybWFsOyBmb250LXZhcmlhbnQ6IG5vcm1hbDsgZm9udC13ZWlnaHQ6IG5vcm1hbDsgbGV0dGVyLXNwYWNpbmc6IDFweDsgbGluZS1oZWlnaHQ6IDI1cHg7IG9ycGhhbnM6IGF1dG87IHRleHQtYWxpZ246IGxlZnQ7IHRleHQtaW5kZW50OiAwcHg7IHRleHQtdHJhbnNmb3JtOiBub25lOyB3aGl0ZS1zcGFjZTogbm9ybWFsOyB3aWRvd3M6IGF1dG87IHdvcmQtc3BhY2luZzogMHB4OyAtd2Via2l0LXRleHQtc3Ryb2tlLXdpZHRoOiAwcHg7IGJhY2tncm91bmQtY29sb3I6IHJnYigyNTUsIDI1NSwgMjU1KTsgZGlzcGxheTogaW5saW5lICFpbXBvcnRhbnQ7IGZsb2F0OiBub25lOyI+Q+OAgeS6uuaOqOWimeeahOWKm++8jOS9nOeUqOWcqOWimeS4iu+8m+WimeWvueS6uueahOWKm++8jOS9nOeUqOWcqOS6uuS4iu+8m+S6jOWKm+aYr+S4gOWvueebuOS6kuS9nOeUqOWKm++8m+aVhUPmraPnoa7vvJs8L3NwYW4+PGJyIHN0eWxlPSJsZXR0ZXItc3BhY2luZzogbm9ybWFsOyBjb2xvcjogcmdiKDAsIDAsIDApOyBmb250LWZhbWlseTog5a6L5L2TLCBzYW5zLXNlcmlmOyBmb250LXNpemU6IDEzcHg7IGZvbnQtc3R5bGU6IG5vcm1hbDsgZm9udC12YXJpYW50OiBub3JtYWw7IGZvbnQtd2VpZ2h0OiBub3JtYWw7IGxpbmUtaGVpZ2h0OiAyNXB4OyBvcnBoYW5zOiBhdXRvOyB0ZXh0LWFsaWduOiBsZWZ0OyB0ZXh0LWluZGVudDogMHB4OyB0ZXh0LXRyYW5zZm9ybTogbm9uZTsgd2hpdGUtc3BhY2U6IG5vcm1hbDsgd2lkb3dzOiBhdXRvOyB3b3JkLXNwYWNpbmc6IDBweDsgLXdlYmtpdC10ZXh0LXN0cm9rZS13aWR0aDogMHB4OyBiYWNrZ3JvdW5kLWNvbG9yOiByZ2IoMjU1LCAyNTUsIDI1NSk7Ij48c3BhbiBzdHlsZT0iY29sb3I6IHJnYigwLCAwLCAwKTsgZm9udC1mYW1pbHk6IOWui+S9kywgc2Fucy1zZXJpZjsgZm9udC1zaXplOiAxM3B4OyBmb250LXN0eWxlOiBub3JtYWw7IGZvbnQtdmFyaWFudDogbm9ybWFsOyBmb250LXdlaWdodDogbm9ybWFsOyBsZXR0ZXItc3BhY2luZzogMXB4OyBsaW5lLWhlaWdodDogMjVweDsgb3JwaGFuczogYXV0bzsgdGV4dC1hbGlnbjogbGVmdDsgdGV4dC1pbmRlbnQ6IDBweDsgdGV4dC10cmFuc2Zvcm06IG5vbmU7IHdoaXRlLXNwYWNlOiBub3JtYWw7IHdpZG93czogYXV0bzsgd29yZC1zcGFjaW5nOiAwcHg7IC13ZWJraXQtdGV4dC1zdHJva2Utd2lkdGg6IDBweDsgYmFja2dyb3VuZC1jb2xvcjogcmdiKDI1NSwgMjU1LCAyNTUpOyBkaXNwbGF5OiBpbmxpbmUgIWltcG9ydGFudDsgZmxvYXQ6IG5vbmU7Ij5E44CB5Lq65o6o5aKZ55qE5Yqb5LiO5aKZ5Y+X5Yiw55qE6Zi75Yqb77yM5piv5LiA5a+55bmz6KGh5Yqb77yb5LqM5Yqb5ruh6Laz77ya5L2c55So5Zyo5ZCM5LiA5Liq54mp5L2T5LiK44CB5aSn5bCP55u4562J44CB5pa55ZCR55u45Y+N44CB5Zyo5ZCM5LiA5p2h55u057q/5LiK5Zub5Liq5p2h5Lu277yb5pWFROmUmeivr++8mzwvc3Bhbj48YnI+PC9kaXY+
本课配套习题挑战模式6/6
下列物体中没有相互作用力的是( )
A: 推出去的铅球和人的手 |
B: 地球和月球 |
C: 课桌和地面 |
D: 正在飞行的飞机 |
- 提示1:PHA+6ZOF55CD5ZKM5omL5YiG5byA5ZCO77yM5LmL5YmN5rKh5pyJ5Yqb44CCPC9wPg==
- 答案:QQ==
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