Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 9 Answered

A nail is driven into a wooden board by using a hammer. the impact of hammer on the head of the nail reduces the thrust of 25N. If the area of head is 0.5mm square and the tip is 0.1mm square.Find the pressure of head and tip
Asked by sreesaie2008 | 01 Aug, 2021, 06:12: AM
Expert Answer
Pressure = Force / Area
 
Pressure on nail head = 25 N / 0.5 mm2 =  25 N / ( 0.5 × 10-6 m2 )  = 5.0 × 107 N/m2
 
Pressure at nail's tip  = 25 N / 0.1 mm2 = 25 N / ( 0.1 × 10-6 m)  = 2.5 × 108 N/m2
Answered by Thiyagarajan K | 01 Aug, 2021, 07:16: AM
CBSE 9 - Physics
Asked by charvi | 26 Nov, 2021, 06:27: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by anuragyvidya | 28 Sep, 2021, 12:47: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by bansalshally55 | 15 Aug, 2020, 05:02: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by varshalifarrad | 28 Jul, 2020, 08:31: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by vedbidi10jhs.tl | 25 Jun, 2020, 05:37: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by vedbidi10jhs.tl | 20 Jun, 2020, 08:55: AM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by bhavana147 | 02 Apr, 2020, 09:16: AM
ANSWERED BY EXPERT
Get FREE Sample Mock Papers for Final Exams
Download Now
×