Answer:
Density is the amount of mass in a specified space. It is a way to measure how compact an object is
Explanation:
True: Friction depends on the types of surfaces involved and how hard the surfaces push together.
Answer:
It increases heart rate and blood pressure, heart problems, dehydration, seizures, and dangerously high blood pressure. (From overconsumption of caffine.)
Explanation:
Answer:
D. ) The force would be zero newtons
Explanation:
Because
If you are at the center of the earth, gravity is zero because all the mass around you is pulling "up" (every direction there is up!)
So F=mg so if g is zero F is also zero
You need to know how much friction that object.
