Find the force applied to you by the rubber bands?

In summary, the problem involves a person being launched upwards by a giant rubber band with an acceleration of 15 m/s^2. The person's mass is 70 kg and the force applied by the rubber band can be calculated using the formula F = ma, resulting in a force of 1050 N. However, this is the net force and not specifically the force from the rubber band. A free body diagram is needed to determine the forces acting on the person and their directions.
  • #1
Max CR
122
0

Homework Statement



A giant rubber band is going to launch you straight upwards. Upon launch your acceleration is 15 m/s^2 upwards. If your mass is 70 kg, find the force applied to you by the rubber bands.

This is a copy word from word of the problem. Please be specific. I have a physics test tomorrow.

Thanks!


Homework Equations





The Attempt at a Solution



a = 15 m/s^2
M = 70 kg
F = ?

F = ma
F = (70 kg)(15 m/s^2) = 1050 N
 
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  • #2
Max CR said:
F = ma
F = (70 kg)(15 m/s^2) = 1050 N
That's the net force on you during the acceleration, not the force from the rubber band.

Draw a free body diagram of you. What forces are acting? Which way do they act?
 
  • #3
I do not know. I am looking but can't figure it out.
 

FAQ: Find the force applied to you by the rubber bands?

1. What is the concept behind finding the force applied to you by rubber bands?

The concept behind finding the force applied to you by rubber bands is based on the principles of Hooke's Law. This law states that the force required to stretch or compress an elastic material (such as rubber bands) is directly proportional to the distance it is stretched or compressed.

2. How do you calculate the force applied by rubber bands?

To calculate the force applied by rubber bands, you need to know the spring constant (k) of the rubber bands and the amount of stretch (x) they experience. The formula for calculating force using Hooke's Law is F = kx, where F is the force in Newtons (N), k is the spring constant in Newtons per meter (N/m), and x is the distance in meters (m).

3. What factors affect the amount of force applied by rubber bands?

The amount of force applied by rubber bands can be affected by several factors, such as the thickness and length of the rubber bands, the material they are made of, and the amount of stretch they experience. The spring constant also plays a significant role in determining the force applied.

4. How can you measure the force applied by rubber bands?

The force applied by rubber bands can be measured using a force gauge or a spring scale. These tools allow you to measure the amount of force applied in Newtons (N) or pounds (lbs) by pulling on the rubber bands and recording the measurement.

5. Why is it important to know the force applied by rubber bands?

Knowing the force applied by rubber bands is essential for various scientific and practical applications. It can help in designing and testing products that use rubber bands, understanding the behavior of elastic materials, and predicting the amount of force needed to stretch or compress rubber bands in different scenarios.

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