[انا العمري]

ارجو المساعدة في الحل

Complete the following:
a) The unit of constant force K is …….
b) The necessary conditions for simple harmonic motion in simple pendulum is ……….and …………
c) In the capillary rise, the water rises in the tube because ……..
d) The magnitude of contact angle (θ) dependent on ………....
e) A block on the end of a spring is pulled to position x = A, and released. In one full cycle of its motion, the total distance dose it travels is ……….
f) The Unit of acceleration due to gravity g …….…
g) Restoring force always directed toward the ……..…. And opposite to the ……….…
h) The power of a lens defined as ………………………………………….
i) The focal length of lens is defined as …………………………………..
j) The surface tension defined as ………………………………………….
k) The Periodic time is defined as ………………………………………….
l) The water will stop rising when the ……….... Balances with the …….in the capillary tubes.
m) In helical spring when the mass pulled down there is a ……..… on the mass acts ……..…
n) The ring edges in contact with water at moment of ………… will experience a ……..… force due to surface tension.
o) The surface tension defined as …………………………………… J/m2
p) The Diopter is defined as ……………………………………………..



Write a few words about
1 – What is the surface tension?
2 – What is the constant force?
3 – What is the contact angle?

Good luck,