问一道力学物理题(英文)Two people are pulling a canoe on a friction surface,person A pulls at 60N{20度}and person B pulls at 60N{40度},calculate the force.请各位帮忙滴朋友一定告知完整步骤,中文即可,

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问一道力学物理题(英文)Two people are pulling a canoe on a friction surface,person A pulls at 60N{20度}and person B pulls at 60N{40度},calculate the force.请各位帮忙滴朋友一定告知完整步骤,中文即可,
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问一道力学物理题(英文)Two people are pulling a canoe on a friction surface,person A pulls at 60N{20度}and person B pulls at 60N{40度},calculate the force.请各位帮忙滴朋友一定告知完整步骤,中文即可,
问一道力学物理题(英文)
Two people are pulling a canoe on a friction surface,person A pulls at 60N{20度}and person B pulls at 60N{40度},calculate the force.
请各位帮忙滴朋友一定告知完整步骤,中文即可,

问一道力学物理题(英文)Two people are pulling a canoe on a friction surface,person A pulls at 60N{20度}and person B pulls at 60N{40度},calculate the force.请各位帮忙滴朋友一定告知完整步骤,中文即可,
计算合力吧?平行四边形法则啊,将两个力分解即可.