Proving Gravity on Earth: A Creative Lab Design

In summary, the conversation discusses the task of proving the gravity on Earth is 9.81 and the limitations on using simple experiments. The person is seeking original ideas and suggestions for conducting the experiment. One idea proposed is to use equations and variables to measure gravity, or to find a way to control and slow its acceleration. Another suggestion is to replicate Isaac Newton's experiments.
  • #1
zesoccerfreak
1
0
Hi all at physics forums,
I was given the task of proving that gravity on Earth is actually 9.81. It must be a proof/lab design and must be creative. We are not allowed to simply just drop 3 objects with different masses and calculate their acceleration. Need an original idea, not asking for anyone to do it for me but just to give me a decent idea. Thanks in advance.
 
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  • #2
zesoccerfreak said:
Hi all at physics forums,
I was given the task of proving that gravity on Earth is actually 9.81. It must be a proof/lab design and must be creative. We are not allowed to simply just drop 3 objects with different masses and calculate their acceleration. Need an original idea, not asking for anyone to do it for me but just to give me a decent idea. Thanks in advance.

Welcome to PF.

What equations do you know that relate gravity to variables you can measure like time and distance? What can you vary to deduce the value through measurement? Or how might you be able to slow the acceleration of gravity in a controllable way?
 
  • #3
Isaac Newton did it. Maybe you could find out how he did it and reproduce his experiments.

Just an idea.
 

FAQ: Proving Gravity on Earth: A Creative Lab Design

What is the purpose of proving gravity on Earth?

The purpose of proving gravity on Earth is to demonstrate the existence of the force of gravity and how it affects objects on Earth. This can help us understand the laws of physics and how they govern the behavior of objects in our everyday lives.

How can gravity be proven on Earth?

Gravity can be proven on Earth through various experiments and observations. One way is by using a pendulum to show the force of gravity pulling the pendulum towards the center of the Earth. Another way is by measuring the acceleration of objects in free fall, which is approximately 9.8 m/s² on Earth.

Can gravity be manipulated or controlled in a lab?

No, gravity cannot be manipulated or controlled in a lab. It is a natural force that exists due to the mass of objects. However, scientists can simulate the effects of gravity by creating microgravity environments, such as on board a spacecraft or by using specialized equipment.

What materials are needed for a creative lab design to prove gravity on Earth?

The materials needed for a creative lab design to prove gravity on Earth may vary depending on the specific experiment or demonstration. However, some common materials include a pendulum, a stopwatch, a scale, and objects of different masses for free fall experiments.

How does proving gravity on Earth impact our understanding of the universe?

Proving gravity on Earth can help us better understand the laws of physics and how they apply to the universe. By studying gravity on Earth, we can gain insights into the behavior of objects in space and how gravity plays a role in the formation of planets, stars, and galaxies.

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