Lecture Note
Force Needed to Lift a Needle
-
University
Princeton University Course
PHY 103 | General Physics IPages
2
Academic year
2023
-
abdulsalam23745
Views
0
Force needed to lift a needle Fs 3 W F=W+2F Fs F= we t 2Tl weight not given w=0 F= 2ID ?The length of needle fluat ing on water is 2.5cm . The minimum force acddition to it's weight needed to lift above the surface of water will be ?
ans: F - 2Tl =2x0.072 X 2.5 =3.6x10-3 36x10-4
Comments
Related Documents
- Questions and Answers - Density
- Elastomers
- Poisson's Ratio
- Strain
- Types of Stress
- Mechanical Properties of Solids
- Motion of Insect in a Rough Bowl
- Turning of Cycle on Frictionless Road
- Maximum Safe Speed on Taking Circular Turn
- Death Wall & Rotor
- Conical Pendulum
- Centripetal and Centrifugal Forces
- Constrained Motion
- Cutting of String
- Questions and Answers - Connected Bodies
- Questions and Answers - Spring Balance & Motion in a Lift
- Questions and Answers - Second Law of Motion
- Questions and Answers - Spring Balance
- Question and Answer - Impulse
- Characteristics of Sound
Force Needed to Lift a Needle
Please or to post comments