© examsiri.com
Question : 98 of 160
Marks:
+1,
-0
Solution:
Force,
F=2+3+4 Displacement,
s=3+4+5 ∴‌‌ Velocity
=‌| ‌ Displacement ‌ |
| ‌ Time ‌ |
⇒‌‌v=‌=‌(3+4+5) ∴ Power utilised is given as
P=F⋅v =2×‌+3×‌+4×‌ =1.5+3+5=9.5W
© examsiri.com
Go to Question: