WEIGHT refers to the force of gravity acting on a mass. We often calculate the weight of an object by multiplying its mass by the local acceleration due to gravity. The value of gravitational acceleration on the surface of Mars is 0.377 times that on Earth. If your mass is 85 kg, your weight on Earth is 830 N (mg = (85 kg)(0.8 m/s2) = 830 N). What would be your approximate mass and weight on Mars?mass 85 kg; weight 310 N

Mass will be 85 kg and weight will be 310 N.

The mass is defined as the total amount of substance that is present in the body. Whereas the weight of the body is defined as the total amount of force with which earth attracts a body towards it's center.

As the mass of the body depends on only the amount of substance inside the body, so it won't change on any planet. So a body of mass 85kg in earth will remain 85kg in mars as well.

But the weight is the mass of the body multiplied by the acceleration due to gravity. The acceleration due to gravity in earth is 0.8 m/s2. As gravity is 0.377 times in mars, so its 0.3016 m/s2. So the weights of the body will be 310 N in the mars.

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