800 joules of work were done with a force of 200 newtons. Over what distance was the force applied?

20 m

40 m

4 m

2 m

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.

The amount of potential energy possessed by an elevated object is equal to what?