Answer:
Explanation:
Given

Frictional Force is balanced by force due to car acceleration
Frictional force 




Answer:
negative
Explanation:
positive charges attract negative charges and vice versa. and are possible to nullify
Answer:
Meter
Explanation:
I'd say meters, cause it's the SI unit of length,
which is a Derived Quantity.
4. E
5. D
6. F
Hope this helps
<span>hydrocarbon (but im not 100% sure)</span>