Universal Law of Gravitation and G
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PHXI08:GRAVITATION

360044 Force between two objects of equal masses is \(F\). If \(25 \%\) mass of one object is transferred to the other object, then the new force will be

1 \(\dfrac{F}{4}\)
2 \(3 \dfrac{F}{4}\)
3 \(\dfrac{15}{16} F\)
4 \(F\)
PHXI08:GRAVITATION

360045 A planet of \(3 \times {10^{26}}\;kg\) moves around a star with a constant speed of \(2 \times {10^6}\;m{s^{ - 1}}\) in a circle of radius \(1.5 \times {10^{12}}\;m\). The gravitational force acting on the planet is

1 \(6.67 \times {10^{22}}dyne\)
2 \(8 \times {10^{27}}dyne\)
3 \(8 \times {10^{26}}\;N\)
4 \(6.67 \times {10^{20}}\;N\)
PHXI08:GRAVITATION

360046 Which of the following statements is correct regarding the gravitational force?

1 The gravitational force form action-reaction pair.
2 The gravitational force is dependent on the intervening medium.
3 The gravitational force is a non-central force.
4 The gravitational force is a non-conservative force.
PHXI08:GRAVITATION

360047 A uniform ring of mass \(m\) and radius \(r\) is placed directly above a uniform sphere of mass \(M\) and of equal radius. \({\text{The}}\) centre of the ring is directly above the centre of the sphere at a distance \(r \sqrt{3}\) as shown in the figure. The gravitational force exerted by the sphere on the ring will be
supporting img

1 \(\dfrac{G M m}{8 r^{2}}\)
2 \(\dfrac{G M m}{8 r^{3} \sqrt{3}}\)
3 \(\dfrac{G M m}{4 r^{3}}\)
4 \(\sqrt{3} \dfrac{G M m}{8 r^{2}}\)
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PHXI08:GRAVITATION

360044 Force between two objects of equal masses is \(F\). If \(25 \%\) mass of one object is transferred to the other object, then the new force will be

1 \(\dfrac{F}{4}\)
2 \(3 \dfrac{F}{4}\)
3 \(\dfrac{15}{16} F\)
4 \(F\)
PHXI08:GRAVITATION

360045 A planet of \(3 \times {10^{26}}\;kg\) moves around a star with a constant speed of \(2 \times {10^6}\;m{s^{ - 1}}\) in a circle of radius \(1.5 \times {10^{12}}\;m\). The gravitational force acting on the planet is

1 \(6.67 \times {10^{22}}dyne\)
2 \(8 \times {10^{27}}dyne\)
3 \(8 \times {10^{26}}\;N\)
4 \(6.67 \times {10^{20}}\;N\)
PHXI08:GRAVITATION

360046 Which of the following statements is correct regarding the gravitational force?

1 The gravitational force form action-reaction pair.
2 The gravitational force is dependent on the intervening medium.
3 The gravitational force is a non-central force.
4 The gravitational force is a non-conservative force.
PHXI08:GRAVITATION

360047 A uniform ring of mass \(m\) and radius \(r\) is placed directly above a uniform sphere of mass \(M\) and of equal radius. \({\text{The}}\) centre of the ring is directly above the centre of the sphere at a distance \(r \sqrt{3}\) as shown in the figure. The gravitational force exerted by the sphere on the ring will be
supporting img

1 \(\dfrac{G M m}{8 r^{2}}\)
2 \(\dfrac{G M m}{8 r^{3} \sqrt{3}}\)
3 \(\dfrac{G M m}{4 r^{3}}\)
4 \(\sqrt{3} \dfrac{G M m}{8 r^{2}}\)
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PHXI08:GRAVITATION

360044 Force between two objects of equal masses is \(F\). If \(25 \%\) mass of one object is transferred to the other object, then the new force will be

1 \(\dfrac{F}{4}\)
2 \(3 \dfrac{F}{4}\)
3 \(\dfrac{15}{16} F\)
4 \(F\)
PHXI08:GRAVITATION

360045 A planet of \(3 \times {10^{26}}\;kg\) moves around a star with a constant speed of \(2 \times {10^6}\;m{s^{ - 1}}\) in a circle of radius \(1.5 \times {10^{12}}\;m\). The gravitational force acting on the planet is

1 \(6.67 \times {10^{22}}dyne\)
2 \(8 \times {10^{27}}dyne\)
3 \(8 \times {10^{26}}\;N\)
4 \(6.67 \times {10^{20}}\;N\)
PHXI08:GRAVITATION

360046 Which of the following statements is correct regarding the gravitational force?

1 The gravitational force form action-reaction pair.
2 The gravitational force is dependent on the intervening medium.
3 The gravitational force is a non-central force.
4 The gravitational force is a non-conservative force.
PHXI08:GRAVITATION

360047 A uniform ring of mass \(m\) and radius \(r\) is placed directly above a uniform sphere of mass \(M\) and of equal radius. \({\text{The}}\) centre of the ring is directly above the centre of the sphere at a distance \(r \sqrt{3}\) as shown in the figure. The gravitational force exerted by the sphere on the ring will be
supporting img

1 \(\dfrac{G M m}{8 r^{2}}\)
2 \(\dfrac{G M m}{8 r^{3} \sqrt{3}}\)
3 \(\dfrac{G M m}{4 r^{3}}\)
4 \(\sqrt{3} \dfrac{G M m}{8 r^{2}}\)
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PHXI08:GRAVITATION

360044 Force between two objects of equal masses is \(F\). If \(25 \%\) mass of one object is transferred to the other object, then the new force will be

1 \(\dfrac{F}{4}\)
2 \(3 \dfrac{F}{4}\)
3 \(\dfrac{15}{16} F\)
4 \(F\)
PHXI08:GRAVITATION

360045 A planet of \(3 \times {10^{26}}\;kg\) moves around a star with a constant speed of \(2 \times {10^6}\;m{s^{ - 1}}\) in a circle of radius \(1.5 \times {10^{12}}\;m\). The gravitational force acting on the planet is

1 \(6.67 \times {10^{22}}dyne\)
2 \(8 \times {10^{27}}dyne\)
3 \(8 \times {10^{26}}\;N\)
4 \(6.67 \times {10^{20}}\;N\)
PHXI08:GRAVITATION

360046 Which of the following statements is correct regarding the gravitational force?

1 The gravitational force form action-reaction pair.
2 The gravitational force is dependent on the intervening medium.
3 The gravitational force is a non-central force.
4 The gravitational force is a non-conservative force.
PHXI08:GRAVITATION

360047 A uniform ring of mass \(m\) and radius \(r\) is placed directly above a uniform sphere of mass \(M\) and of equal radius. \({\text{The}}\) centre of the ring is directly above the centre of the sphere at a distance \(r \sqrt{3}\) as shown in the figure. The gravitational force exerted by the sphere on the ring will be
supporting img

1 \(\dfrac{G M m}{8 r^{2}}\)
2 \(\dfrac{G M m}{8 r^{3} \sqrt{3}}\)
3 \(\dfrac{G M m}{4 r^{3}}\)
4 \(\sqrt{3} \dfrac{G M m}{8 r^{2}}\)
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