Which action will increase the gravitational force between two objects?
A. Moving forward he objects closer together
B. Removing some mass from one of the objects
C. Moving the objects farther apart
D. Removing half of each object

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force

Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext

Which planet do you think would be easiest for humans to colonize some day?