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pav-90 [236]
3 years ago
7

The acceleration due to gravity on the surface of Mars is about one-third the acceleration due to gravity on Earth’s surface.

The weight of a space probe on the surface of Mars is about:a. nine times greater than its weight on Earth’s surface.b. three times greater than its weight on Earth’s surface.c. one-third its weight on Earth’s surface.d. the same as its weight on Earth’s surface.
Physics
1 answer:
aksik [14]3 years ago
6 0

Answer:

one-third of its weight on Earth's surface

Explanation:

Weight of an object is = W = m*g

Gravity on Earth = g₁ = 9.8 m/s

Gravity on Mars = g₂ = \frac{1}{3} g₁

Weight of probe on earth = w₁ = m * g₁

Weight of probe on Mars = w₂ = m * g₂ -------- ( 1 )

As g₂ = g₁/3 --------- ( 2 )

Put equation (2) in equation (1)

so

Weight of probe on Mars = w₂ = m * g₁ /3

Weight of probe on Mars = \frac{1}{3}  m * g₁ = \frac{1}{3} w₁

⇒Weight of probe on Mars =\frac{1}{3} Weight of probe on earth

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