Home/ Questions/Q 442113
Next
In Process
Labeen Pratap Ranganathan
Asked: 2022-11-03T21:11:59+05:30 In:

The force required to take away a flat circular plate of radius 4 cm from the surface of water is
A. 560 `pi` dyne
B. 560 dyne
C. `5.6 pi`
D. `56 pi` dyne

The force required to take away a flat circular plate of radius 4 cm from the surface of water is
A. 560 `pi` dyne
B. 560 dyne
C. `5.6 pi`
D. `56 pi` dyne
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – A
    `F = T xx 2 pir = 70 xx 2 xx pi xx 4 = 560 pi ` dyne

    • 0
Heer Eddie Om
Asked: 2022-10-29T00:29:10+05:30 In:

The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm)
A. `280 pi`dyne
B. `250 pi `dyne
C. `140 pi` dyne
D. 210 pi `dyne

The force required to take away a flat circular plate of radius 2 cm from the surface of water, will be (the surface tension of water is 70 dyne/cm)
A. `280 pi`dyne
B. `250 pi `dyne
C. `140 pi` dyne
D. 210 pi `dyne
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – A

    • 0