D. Apparent Weight in an Elevator How does your weight change in an elevator? Yo
ID: 1544039 • Letter: D
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D. Apparent Weight in an Elevator How does your weight change in an elevator? Your apparent weight is equal to the normal force between your feet and the ground. The normal force will act to balance whatever other forces are applied to your body in the direction of the ground. This includes the force of gravity due to the earth, and the force applied by the elevator floor. You may choose a volunteer from your group and you may all share the data. Please use the elevator closest to Ryan Lecture Hall for this experiment. Before you start this experiment, you will need to determine your volunteer's mass. Standing still on the Vernier Force Plate, measure the volunteer's weight in Newtons. Record it here 5g.g4 Draw a Free Body Diagram for the volunteer on the scale in the lab Calculate the volunteer's mass from: Fy m ay 0.Explanation / Answer
There might be some error in the data recorded when the elevator is moving upwards and downwards.
If the values are Newton.
For upward motion, the apparent weight 190 N should be greater than the weight of the volunteer = 59.87 N.
That gives the upwards acceleration to be = (190 - 59.87 ) / 6.11 = 21.30 m/s^2
Where 6.11 Kg is mass of the volunteer.
In case of downward journey, the apparent weight should be lesser than the actual weight of the body.
But in this case it is not so, which makes the value of the acceleration unrealistic.
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