The formulas for power and work are P= W/t and W=Fd, where P is the power, W is the work done, t is the time, F is the force, an
d d is the displacement. Which formula represents the relationship between displacement and power?
A.) d= Pt/F
B.) d= P/Ft
C.) d= PF/t
D.) d= F/Pt
2 answers:
Answer:
A
Step-by-step explanation:
- First equation is , and
- Second equation is
Since we want to make the subject, we put second equation into 1st equation<em> [W of 2nd equation into W of 1st equation]</em>. We have:
<em>Cross multiplying the solving for gives us:</em>
Choice A is the correct one.
W=Fd
d=F/W
P=W/t so W=Pt using the W in the above gives you:
d=F/(Pt)
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