A force of 120 N is applied to an object of area 8 m2 . Calculate pressure.
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Answer:
Correct option is
A
Normal and areal stress can be found
The applied force can be resolved in to two components namely,
F cos 30 along the horizontal and F sin 30 along the vertical
Thus, the normal stress can be determined as F sin 30 x Area of cross section
The areal stress can be determined using F cos 30 x Area perpendicular to horizontal axis
Thus, the correct option is (a)
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Answer:
NEWTON LAWS OF MOTION
Explanation:
Force = 120N
Area = 3m2
Pressure = Force/Area
= 120/3
= 40N/m2 .
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