Answer:
Explanation:
The value of acceleration due to gravity of mars is same as that the value of acceleration due to gravity of Mercury.
The value of acceleration due to gravity of a planet depends on its mass and the radius.
The formula for the acceleration due to gravity is given by

Where, M be the mass of the planet, R be the radius of the planet.
As according to the question, the value of acceleration due to gravity for Mercury is same as that of Mars.


As teh radius of Mercury is small, and acceleration due to gravity is same, it is possible because the mass of Mercury is more than the mass of Mars.
Since friction is something rubbing against each-other with resistance the answers would be... b, and e
Have the heaviest in the back, progressively to the lightest in the front, going first.