An object of mass m is falling from a building in the absence of air resistance and F
is the force of gravity. What is the relationship
between the force of gravity acting on the
object (F) and its mass (m)?

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive