问题描述:
英文物理题,麻烦写出英文的回答,
1. What is the formula for momentum,and is it a vector?
2. Briefly state Newton’s Third Law
3. If a box is sliding to the right, what direction is the force of friction on the box?
4. Name one difference between mass and weight.
1. What is the formula for momentum,and is it a vector?
2. Briefly state Newton’s Third Law
3. If a box is sliding to the right, what direction is the force of friction on the box?
4. Name one difference between mass and weight.
问题解答:
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