Answer: The first one
Explanation: My best guess is in the pic attached. Hope this helps.
The 2nd answer is the correct answer
It can be both flat or it can be when you have new eyeglasses on and you look down it makes you think the ground looks like that but its not
The 2nd Law says F=ma, where F is the force in Newtons, m is mass and a is acceleration. Earth's gravity is an acceleration, 9.8m/s^2. So you can solve the equation for mass, m=F/a, or m=F/9.8 where you've measured the force (weight) in Newtons.
Answer:a b c
Explanation: I’m not sure tho