a.In the diagram the mass on the left is 4.00 kg and the mass on the right is 1.
ID: 1265247 • Letter: A
Question
a.In the diagram the mass on the left is 4.00 kg and the mass on the right is 1.00 kg. Each mass feels a gravitational force F due to the other. If both masses are tripled then what happens to the gravitational force acting on each mass due to the other?
it is reduced to one-third F
it is reduced to one-ninth F
it increases to 9F
it increases to 3F
e. it remains the same
b.Two equal masses are separated by a distance of 4.00 m as shown in the diagram. Each mass feels a gravitational force of 2.00 N. If the mass on the right is moved, to which point could the mass be moved so that the gravitational force between the masses is 32.0 N? A,B,C,D or E?
E
C
B
D
A
a.it is reduced to one-third F
b.it is reduced to one-ninth F
c.it increases to 9F
d.it increases to 3F
.e. it remains the same
b.Two equal masses are separated by a distance of 4.00 m as shown in the diagram. Each mass feels a gravitational force of 2.00 N. If the mass on the right is moved, to which point could the mass be moved so that the gravitational force between the masses is 32.0 N? A,B,C,D or E?
a.E
b.C
c.B
d.D
e.A
a.In the diagram the mass on the left is 4.00 kg and the mass on the right is 1.00 kg. Each mass feels a gravitational force F due to the other. If both masses are tripled then what happens to the gravitational force acting on each mass due to the other? a. E b. C c. B d. D e. A a. it is reduced to one-third F b. it is reduced to one-ninth F c. it increases to 9F d. it increases to 3F . e. it remains the same b.Two equal masses are separated by a distance of 4.00 m as shown in the diagram. Each mass feels a gravitational force of 2.00 N. If the mass on the right is moved, to which point could the mass be moved so that the gravitational force between the masses is 32.0 N? A,B,C,D or E?Explanation / Answer
a) F =G*m1*m2/r^2 , replacing m1 with 3m1 and m2 with 3m2, we get new force = 9F(option c)
b) F =G*m1*m2/r^2
or, G*m1*m2 = 2*4^2 = 32
Now for F =32N let us find r
r^2 = G*m1*m2/F =32/32 =1
or r = 1 m
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