The weight of a body on earth is $98 N$ where acceleration due to gravity is $9.8 m s^{- 2}$ . What will be its weight on the moon where acceleration due to gravity is $1.6 m s^{- 2}$ ?

10 k g

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10 N

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16 k g

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16 N

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Solution

The correct option is D $16 N$
Weight on Earth , $W_{e} = 98 N = m g$
$m = \frac{W_{e}}{g_{e}} = \frac{98}{9.8} = 10 k g$
$m = 10 k g, g = 1.6 m / s^{2}$
So, weight on Moon, $W_{m} = m g_{m}$
$W_{m} = 10 \times 1.6 = 16 N$

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The weight of a body on earth is 98N where acceleration due to gravity is 9.8 ms−2. What will be its weight on the moon where acceleration due to gravity is 1.6 ms−2?

The correct option is D 16 NWeight on Earth ,We=98 N=mgm=Wege=989.8=10 kgm=10 kg,g=1.6 m/s2 So, weight on Moon, Wm=mgmWm=10×1.6=16 N

The weight of a body on earth is $98 N$ where acceleration due to gravity is $9.8 m s^{- 2}$ . What will be its weight on the moon where acceleration due to gravity is $1.6 m s^{- 2}$ ?

The correct option is D $16 N$
Weight on Earth , $W_{e} = 98 N = m g$
$m = \frac{W_{e}}{g_{e}} = \frac{98}{9.8} = 10 k g$
$m = 10 k g, g = 1.6 m / s^{2}$
So, weight on Moon, $W_{m} = m g_{m}$
$W_{m} = 10 \times 1.6 = 16 N$