Question

A drilling machine exerts a force of 2 N on each of the two screws Xand Y. The area of cross-section of the tip of screw X is 10 mmand that
of screw Y is 5 mm2. Calculate the pressure on each screw.​

Answer 1

Explanation:

We know that, Pressure =AreaForce

For Nail A

Force=1.5N,Area=2mm2=2×10−6m2

Pressure=2×10−61.5m2⇒7.5×105m2

For Nail B

Force=1.5N,Area=6mm2=6×10−6m2

Pressure=6×10−61.5m2⇒2.5×105m2

Therefore,

yx = 3

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Answer 2

Answer:

A = 0.4 × 10^6 N/m^2

B = 0.2 × 10^6 N/m^2