Can mechanical energy of a moving particle be negative

Yes mechanical energy can be negative.

You cannot have negative energy;

You can have a certain quantity of energy or none at all but it is impossible in reality to have negative energy;

In terms of equations however, you can have a positive or negative sign, this tells us whether energy is gained or lost

the following is queen elizabeth’s purposes:

- to encourage the parliament that the technique of picking successors to the seat based merely on birthright needs to be reviewed.

- (not) to convince the parliament that her kid should not be measured as a likely choice for heir to the english power.

- to persuade the parliament that merely since she has a child does not assure that the kid will be a capable leader.

- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.