# Gravity Quiz for fun and Quiz Competition Practice

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## Results

### #5. Which of the following particles is the carrier of gravitational interaction?

Explanation is given below

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## Gravity Quiz Explanations

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1. SI unit of gravitational potential is joule/kg.
So, its CGS unit is erg/gram.
2. All the planets move in elliptical orbits with
the sun situated at one of the foci of the ellipse,
according to Kepler’s 1st law of planetory
motion (law of orbits).
3. The product of gravitational potential and
mass of the body gives gravitational potential
energy.
4. The value of G was given by scientist Henry
Cavendish in 1798.
5. Graviton is the hypothetical particle that is
supposed to be mediating the gravitational
interaction, which is the weakest interaction of
all the four fundamental forces.

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1. What is the CGS unit of gravitational
potential?
a. dyne/ gram
b. erg/ gram ()
c. erg/ cm
d. dyne.cm.gram

2. All the planets move in _ orbits around
the sun.
a. parabolic
b. circular
c. hyperbolic
d. none of the above ()

1. Gravitational potential energy is _
a. gravitational potential X mass of the body
()
b. gravitational potential X radius of the body
c. gravitational potential/ mass of the body
d. none of the above
2. The value of universal gravitational constant
G was determined experimentally by
__ .
a. Isaac Newton
b. Galileo Galilei
c. Henry Cavendish ()
d. Johannes Kepler
3. Which of the following particles is the carrier
of gravitational interaction?
a. gluon
b. muon
c. higgs boson
d. none of the above () 