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![](https://rs.olm.vn/images/avt/0.png?1311)
12 tháng 4 2017
+Biểu diễn: Trọng lực của một vật có khối lượng 5 kg là 50N (tỉ xích 0,5 cm ứng với 10N) (hình 1).
+Biểu diễn lực kéo 15000N theo phương nằm ngang, chiều từ trái sang phải (tỉ lệ xích là 1cm ứng với 5000N). (Hình 2)
![](https://rs.olm.vn/images/avt/0.png?1311)
VT
26 tháng 8 2017
Các lực được biểu diễn như hình vẽ.
- Vật có khối lượng 5kg thì trọng lượng P là 50 N.
Lực P = 50N. (Tỉ xích 0,5 cm ứng với 10N).
Lực kéo F = 15000N. (Tỉ xích 1cm ứng với 5000N).
+Trọng lực của vật là :
P = 10m = 10.5 = 50N
+ Biểu diễn lực kéo :
Fk = 15000N
a, Vật có khối lượng 5 kg
suy ra trọng lực của vật có độ lớn:
P=10.m=10.5=50(N)
b,![](data:image/png;base64,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)