Universal Law of Gravitation and G
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PHXI08:GRAVITATION

360039 A \(3\;kg\) mass and a \(4\;kg\) mass are placed on \(x\) and \(y\) axes at a distance of 1 metre from the origin and a \(1\;kg\) mass is placed at the origin. Then the resultant gravitational force on \(1\;kg\) mass is

1 \(7{\rm{ }}G\)
2 \(G\)
3 \(5{\rm{ }}G\)
4 \(3{\rm{ }}G\)
PHXI08:GRAVITATION

360040 Two particles of equal mass '\(m\)' move in a circle of radius '\(r\)' under the action of their mutual gravitational attraction. The speed of each particle will be

1 \(\sqrt{\dfrac{G m}{r}}\)
2 \(\sqrt{\dfrac{G m}{4 r}}\)
3 \(\sqrt{\dfrac{4 G m}{r}}\)
4 \(\sqrt{\dfrac{G m}{2 r}}\)
JEE - 2023
PHXI08:GRAVITATION

360041 Two particles of equal mass go round a circle of radius \(R\) under the action of their mutual gravitational attraction. The speed of each particle is

1 \(v=\dfrac{1}{2} \sqrt{\dfrac{G m}{R}}\)
2 \(v=\sqrt{\dfrac{G m}{2 R}}\)
3 \(v=\dfrac{1}{2 R} \sqrt{\dfrac{1}{G m}}\)
4 \(v=\sqrt{\dfrac{4 G m}{R}}\)
PHXI08:GRAVITATION

360042 Two sphere of masses \(m\) and \(M\) are situated in air and gravitational force between them is \(F\). The space around the mass is now filled with a liquid of specific gravity 3 . The gravitational force now will be

1 \(\dfrac{F}{3}\)
2 \(F\)
3 \(3F\)
4 \(\dfrac{F}{9}\)
PHXI08:GRAVITATION

360043 In both figures shown below a hole is present along the diameter of earth. In first, a particle is released from \(A\) and it oscillated with time period \(T_{1}\). In second figure, same particle is relased from point \(B\) and it oscillates with time period \(T_{2}\) then [ \(O\) is centre of earth]
supporting img

1 \(T_{1} < T_{2}\)
2 \(T_{1}>T_{2}\)
3 \(T_{1}=T_{2}\)
4 \(T_{1}=2 T_{2}\)
NEET DIGITAL LIBRARY
PHXI08:GRAVITATION

360039 A \(3\;kg\) mass and a \(4\;kg\) mass are placed on \(x\) and \(y\) axes at a distance of 1 metre from the origin and a \(1\;kg\) mass is placed at the origin. Then the resultant gravitational force on \(1\;kg\) mass is

1 \(7{\rm{ }}G\)
2 \(G\)
3 \(5{\rm{ }}G\)
4 \(3{\rm{ }}G\)
PHXI08:GRAVITATION

360040 Two particles of equal mass '\(m\)' move in a circle of radius '\(r\)' under the action of their mutual gravitational attraction. The speed of each particle will be

1 \(\sqrt{\dfrac{G m}{r}}\)
2 \(\sqrt{\dfrac{G m}{4 r}}\)
3 \(\sqrt{\dfrac{4 G m}{r}}\)
4 \(\sqrt{\dfrac{G m}{2 r}}\)
JEE - 2023
PHXI08:GRAVITATION

360041 Two particles of equal mass go round a circle of radius \(R\) under the action of their mutual gravitational attraction. The speed of each particle is

1 \(v=\dfrac{1}{2} \sqrt{\dfrac{G m}{R}}\)
2 \(v=\sqrt{\dfrac{G m}{2 R}}\)
3 \(v=\dfrac{1}{2 R} \sqrt{\dfrac{1}{G m}}\)
4 \(v=\sqrt{\dfrac{4 G m}{R}}\)
PHXI08:GRAVITATION

360042 Two sphere of masses \(m\) and \(M\) are situated in air and gravitational force between them is \(F\). The space around the mass is now filled with a liquid of specific gravity 3 . The gravitational force now will be

1 \(\dfrac{F}{3}\)
2 \(F\)
3 \(3F\)
4 \(\dfrac{F}{9}\)
PHXI08:GRAVITATION

360043 In both figures shown below a hole is present along the diameter of earth. In first, a particle is released from \(A\) and it oscillated with time period \(T_{1}\). In second figure, same particle is relased from point \(B\) and it oscillates with time period \(T_{2}\) then [ \(O\) is centre of earth]
supporting img

1 \(T_{1} < T_{2}\)
2 \(T_{1}>T_{2}\)
3 \(T_{1}=T_{2}\)
4 \(T_{1}=2 T_{2}\)
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PHXI08:GRAVITATION

360039 A \(3\;kg\) mass and a \(4\;kg\) mass are placed on \(x\) and \(y\) axes at a distance of 1 metre from the origin and a \(1\;kg\) mass is placed at the origin. Then the resultant gravitational force on \(1\;kg\) mass is

1 \(7{\rm{ }}G\)
2 \(G\)
3 \(5{\rm{ }}G\)
4 \(3{\rm{ }}G\)
PHXI08:GRAVITATION

360040 Two particles of equal mass '\(m\)' move in a circle of radius '\(r\)' under the action of their mutual gravitational attraction. The speed of each particle will be

1 \(\sqrt{\dfrac{G m}{r}}\)
2 \(\sqrt{\dfrac{G m}{4 r}}\)
3 \(\sqrt{\dfrac{4 G m}{r}}\)
4 \(\sqrt{\dfrac{G m}{2 r}}\)
JEE - 2023
PHXI08:GRAVITATION

360041 Two particles of equal mass go round a circle of radius \(R\) under the action of their mutual gravitational attraction. The speed of each particle is

1 \(v=\dfrac{1}{2} \sqrt{\dfrac{G m}{R}}\)
2 \(v=\sqrt{\dfrac{G m}{2 R}}\)
3 \(v=\dfrac{1}{2 R} \sqrt{\dfrac{1}{G m}}\)
4 \(v=\sqrt{\dfrac{4 G m}{R}}\)
PHXI08:GRAVITATION

360042 Two sphere of masses \(m\) and \(M\) are situated in air and gravitational force between them is \(F\). The space around the mass is now filled with a liquid of specific gravity 3 . The gravitational force now will be

1 \(\dfrac{F}{3}\)
2 \(F\)
3 \(3F\)
4 \(\dfrac{F}{9}\)
PHXI08:GRAVITATION

360043 In both figures shown below a hole is present along the diameter of earth. In first, a particle is released from \(A\) and it oscillated with time period \(T_{1}\). In second figure, same particle is relased from point \(B\) and it oscillates with time period \(T_{2}\) then [ \(O\) is centre of earth]
supporting img

1 \(T_{1} < T_{2}\)
2 \(T_{1}>T_{2}\)
3 \(T_{1}=T_{2}\)
4 \(T_{1}=2 T_{2}\)
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PHXI08:GRAVITATION

360039 A \(3\;kg\) mass and a \(4\;kg\) mass are placed on \(x\) and \(y\) axes at a distance of 1 metre from the origin and a \(1\;kg\) mass is placed at the origin. Then the resultant gravitational force on \(1\;kg\) mass is

1 \(7{\rm{ }}G\)
2 \(G\)
3 \(5{\rm{ }}G\)
4 \(3{\rm{ }}G\)
PHXI08:GRAVITATION

360040 Two particles of equal mass '\(m\)' move in a circle of radius '\(r\)' under the action of their mutual gravitational attraction. The speed of each particle will be

1 \(\sqrt{\dfrac{G m}{r}}\)
2 \(\sqrt{\dfrac{G m}{4 r}}\)
3 \(\sqrt{\dfrac{4 G m}{r}}\)
4 \(\sqrt{\dfrac{G m}{2 r}}\)
JEE - 2023
PHXI08:GRAVITATION

360041 Two particles of equal mass go round a circle of radius \(R\) under the action of their mutual gravitational attraction. The speed of each particle is

1 \(v=\dfrac{1}{2} \sqrt{\dfrac{G m}{R}}\)
2 \(v=\sqrt{\dfrac{G m}{2 R}}\)
3 \(v=\dfrac{1}{2 R} \sqrt{\dfrac{1}{G m}}\)
4 \(v=\sqrt{\dfrac{4 G m}{R}}\)
PHXI08:GRAVITATION

360042 Two sphere of masses \(m\) and \(M\) are situated in air and gravitational force between them is \(F\). The space around the mass is now filled with a liquid of specific gravity 3 . The gravitational force now will be

1 \(\dfrac{F}{3}\)
2 \(F\)
3 \(3F\)
4 \(\dfrac{F}{9}\)
PHXI08:GRAVITATION

360043 In both figures shown below a hole is present along the diameter of earth. In first, a particle is released from \(A\) and it oscillated with time period \(T_{1}\). In second figure, same particle is relased from point \(B\) and it oscillates with time period \(T_{2}\) then [ \(O\) is centre of earth]
supporting img

1 \(T_{1} < T_{2}\)
2 \(T_{1}>T_{2}\)
3 \(T_{1}=T_{2}\)
4 \(T_{1}=2 T_{2}\)
NEET DIGITAL LIBRARY
PHXI08:GRAVITATION

360039 A \(3\;kg\) mass and a \(4\;kg\) mass are placed on \(x\) and \(y\) axes at a distance of 1 metre from the origin and a \(1\;kg\) mass is placed at the origin. Then the resultant gravitational force on \(1\;kg\) mass is

1 \(7{\rm{ }}G\)
2 \(G\)
3 \(5{\rm{ }}G\)
4 \(3{\rm{ }}G\)
PHXI08:GRAVITATION

360040 Two particles of equal mass '\(m\)' move in a circle of radius '\(r\)' under the action of their mutual gravitational attraction. The speed of each particle will be

1 \(\sqrt{\dfrac{G m}{r}}\)
2 \(\sqrt{\dfrac{G m}{4 r}}\)
3 \(\sqrt{\dfrac{4 G m}{r}}\)
4 \(\sqrt{\dfrac{G m}{2 r}}\)
JEE - 2023
PHXI08:GRAVITATION

360041 Two particles of equal mass go round a circle of radius \(R\) under the action of their mutual gravitational attraction. The speed of each particle is

1 \(v=\dfrac{1}{2} \sqrt{\dfrac{G m}{R}}\)
2 \(v=\sqrt{\dfrac{G m}{2 R}}\)
3 \(v=\dfrac{1}{2 R} \sqrt{\dfrac{1}{G m}}\)
4 \(v=\sqrt{\dfrac{4 G m}{R}}\)
PHXI08:GRAVITATION

360042 Two sphere of masses \(m\) and \(M\) are situated in air and gravitational force between them is \(F\). The space around the mass is now filled with a liquid of specific gravity 3 . The gravitational force now will be

1 \(\dfrac{F}{3}\)
2 \(F\)
3 \(3F\)
4 \(\dfrac{F}{9}\)
PHXI08:GRAVITATION

360043 In both figures shown below a hole is present along the diameter of earth. In first, a particle is released from \(A\) and it oscillated with time period \(T_{1}\). In second figure, same particle is relased from point \(B\) and it oscillates with time period \(T_{2}\) then [ \(O\) is centre of earth]
supporting img

1 \(T_{1} < T_{2}\)
2 \(T_{1}>T_{2}\)
3 \(T_{1}=T_{2}\)
4 \(T_{1}=2 T_{2}\)