The question at hand was how the net force of an object is changed during a ride in an elevator. This will be shown by a net force versus time graph. Hypothesis Given that the net force of an object is a function of the mass measured and the measure acceleration, we know that when the acceleration changes the net force follows suit. I predict that as the elevator moves up, the objects mass will increase and as the elevator travels to lower levels, the objects mass will decrease. Rationale Newtons Second Law (simplified) states that force is equal to mass multiplied by acceleration. For an elevator to stay at rest, it must support it’s own weight along with the objects within. This changes for an elevator travelling in the upwards direction. Let’s say all together they contain a mass of 10 kg. To find their mass we must multiply the mass by the numerical value for gravity (we’ll use 9.8). This equals out to 98 Newtons that the elevator cables need to be able to support. If the elevator needs to move up to a different floor with an acceleration of 5m/s/s, the net force now has an additional 50 Newtons. These new 50 Newtons are just the force needed to accelerate the mass. Therefore, to get the total force, we must add the two forces (force needed to stay in place and force needed to accelerate the mass), adding up to 148 Newtons. The 98 Newton object now has an apparent weight of 148 Newtons (Nave, R. (1998, ). HyperPhysics. Elevator Problem. Retrieved December 9, 2013, from http://hyperphysics.phy-astr.gsu.edu/hbase/elev.html). When the elevator is moving downwards, the acceleration becomes negative. If we take the same scenario from above and replace 5m/s/s with -5m/s/s, the apparent weight is approximately 48 Newtons. This shows that when moving upwards in an elevator, you feel heavier and when moving down, you feel lighter (Stanbrough, J. The Elevator Problem) Methods Procedure Firstly, we collected our materials that were