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abruzzese [7]
3 years ago
7

If a small asteroid named ‘B612’ has a radius of only 20 m and mass of

Physics
1 answer:
Molodets [167]3 years ago
4 0

Acceleration produced in the motion of a body under the effect of gravity is called acceleration due to gravity.

It is a vector quantity and it's SI unit is m/s².

It is usually denoted by the symbol g.

Formula of Acceleration due to Gravity:

\boxed{ \bf{g = \dfrac{GM}{r^2}}}

G → Universal Gravitational Constant \sf (6.67 \times 10^{-11} \ Nm^2/kg^2)

M → Mass of the Asteroid (1 × 10⁴ kg)

R → Radius of the Asteroid (20 m)

By substituting values in the equation, we get:

\rm \longrightarrow g = \dfrac{6.67 \times  {10}^{ - 11}  \times 1 \times  {10}^{4} }{20^2} \\  \\  \rm \longrightarrow g  = \dfrac{6.67 \times  {10}^{ - 11 + 4} }{400} \\  \\  \rm \longrightarrow g = 0.016675 \times  {10}^{ - 7}   \\  \\ \rm \longrightarrow g = 1.6675 \times  {10}^{ -9}  \: m {s}^{ - 1}

\therefore Acceleration due to gravity on the surface of small asteroid named ‘B612’ = \sf 1.6675 \times 10^{-9} \ m/s

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