Question

fill in the blank.
options : decrease, non-contact , area of contact

1. The force of gravity is a ___ force.
2. The pressure of air ___ with the increase in height from the ground.
3. The lesser is the ____ of a solid with a ground, the more is the pressure its exerts.
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Answer 1

Answer:

1. Gravitational forces

Answer 2

Answer:

1) non - contact

2) decrease

3) area of contact