A woman exerts a constant horizontal force on a large box. As a result, the box moves across a horizontal floor at a constant speed v0.. . The constant horizontal

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Câu hỏi

🗣️ Nguyễn Thị Bình hỏi: Cho mình hỏi một câu Force Concept Inventory (FCI) - English bài tập về nhà

A woman exerts a constant horizontal force on a large box. As a result, the box moves across a horizontal floor at a constant speed v0.

The constant horizontal force applied by the woman

(A) has the same magnitude as the weight of the box.

(B) is greater than the weight of the box.

(C) has the same magnitude as the total force that resists the motion of the box.

(D) is greater than the total force that resists the motion of the box.

(E) is greater than either the weight of the box or the total force that resists its motion.

👩 Đánh giá của giáo viên: Câu này trung bình, mức độ hiểu.

🔑 Chủ đề: trac nghiem.

Câu trả lời hay nhất

🕵 Bạn Hoàng Phan Trung trả lời:

Chọn câu (C): has the same magnitude as the total force that resists the motion of the box.

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Các câu trả lời

👤 Nguyễn Liêm Phúc viết:

Chọn C, has the same magnitude as the total force that resists the motion of the box.

➥ 🗣️ Nguyễn Thị Bình trả lời: Cảm ơn bạn, câu này hình như có trong file doc này Đề của VLTT-03 (Khó và Hay)

👤 Trần Phan Anh viết:

Chọn D, is greater than the total force that resists the motion of the box.

👤 Nguyễn Nhật Minh viết:

Chọn E, is greater than either the weight of the box or the total force that resists its motion.

👤 Trần Khanh Minh viết:

Chọn B, is greater than the weight of the box.

👤 Nguyễn Hậu Anh viết:

Chọn A, has the same magnitude as the weight of the box.

👤 Trần Thị Đức viết:

Chọn C: has the same magnitude as the total force that resists the motion of the box.

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