Mechanics for Engineers: Statics, 13th SI Edition
R. C. Hibbeler and Kai Beng Yap © Pearson Education South Asia Pte Ltd
2013. All rights reserved.
Các bài tập tương tự
Bài tâp 14:Hai lực tác dụng lên giá như hình vẽ.Xác định
góc chỉ hướng của lực Fsao cho hợp lực của hai lực hướng
dọc theo chiều dương trục y. Xác định độ lớn của hợp lực
FR. Cho biết β <90o.
Đáp số:
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