Frank Reeves
03/19/2023 · Middle School
A block of mass 2 kg is accelerated \( b_{7} \) the two forces \( \bar{f}_{1}=8 i+3 i \) and \( \overrightarrow{F_{2}}=-5 i=-5 i-7 j \). (all units in newtand) a) what is the net force on the block in unit vector notation, and what is its magnitude and direction? Q) What is the magnitude and direction of the acceleration?
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净力大小:5 N,方向:-53.13°
加速度大小:2.5 m/s²,方向:-53.13°
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