Which of the following statements about the unit of measurement called the Newton is true? Select the two correct answers.(1 point) As an object's distance from Earth increases, its Newtons increase.

The Newton is used to measure gravitational force.

The Newton is used to measure mass of objects.

An object with a mass of 1 kilogram has a gravitational attraction to Earth of about 9.8 Newtons.

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.

Can anybody me with this? ? (picture included.)

What are atoms of the same element with varying number of neutrons