[جيهان أبو شعيشع]

هذه إجابة السؤال 22 فى الاسئلة العامة

Apiece of rock is placed in a pan of double pans balance , the sum of masses which are placed in the other pans 300 gm to make balance.
Answer the following:
a) What s the mass of the piece of rock ? what the direction of the effect of this mass?
The mass of the piece of rock is 300 gm. There is no direction of the mass.
b) What is the weight of the piece of rock ? what the direction of the effect of this weight ?
The weight of the piece of rock = 300 x 10 = 3000 newton.
The direction of any weight is to the center of the earth.
c) What is the effect of the changing the place on both mass and weight of the rock piece?
There is no effect of the changing the place on the mass.
The weight will decrease when the object go away from the center of the earth.