QUESTION

Text
Image


An elementary school science project portrays the inner solar system with a series of hanging, connected weights, as in the figure. A child pulls upwards with a force $\vec{P}$, causing an upward acceleration of magnitude $0.86 \mathrm{~m} / \mathrm{s}^{2}$. Determine the magnitude of $\vec{P}$ if $m=8 \mathrm{~kg}$. $\wedge P$ m $2 m$ $3 m$ $4 m$ $P=$ $\mathrm{N}$

Public Answer

COGP9L The First Answerer