Answer:
Explanation:
1) is true since two like charges repel and two unlike charges attract each other.
2) is true since the neutral word itself means number of positive charge is equal to number of negative charge.
3) is true
4) yes electric charge is conserved.
5) false since two like charges repels each other.
5) True since two unlike charges attract each other.
1. A wheelchair ramp. Instead of using lifting force on the wheelchair, You use push or pull force on it.
2. A slide. Instead of throwing down an item, It uses gravitational potential energy make an object "move" down the slide.
3.A screw. It's reducing the force by twisting the screw out of something instead of pulling it out. (Sorry about my bad grammar).
I believe the answer is D, only a small part of it