Answer:
Option C is the untrue statement.
Answer:
This is True
Explanation:
I just did this exact unit in bio last week I hope this helps ;)
B.adding carpet and fabric wall covering to absorb sound
Answer:
When it’s gravitational
Explanation:
I’m pretty sure that’s the answer
See this suggested solution.
1. Let a force F' is the vector sum of the forces P and Q, then it is shown on the attached picture and marked with red color.
2. according to the condition the force F holds the object, then F should have the same length as the force F' and the opposite direction.
3. using the conditions described in 2. the answer is C.