a. Tác động b. Tác dụng c. Đẩy d. Kéo e. Tương tác để làm cho quả bóng chuyển động thì ta phải........... một lực một cầu thủ ném bóng đã.......... lên quả bóng làm cho chuyển động. sau khi bay lên nó rơi xuống chứng tỏ nó bị............... lực làm thay đổi chuyển động.

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