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What would happen if everyone on Earth fell at the same time?
Because people are spread somewhat equally around the planet’s spherical surface, if we all jumped in place, nothing much would happen — all our lift-offs and impacts would cancel each other out, resulting in zero net force on the Earth.
Why does earth not move when you jump?
Even the hardest bedrock is somewhat elastic. This means that when you jump, you don’t actually exert a force on the entire earth at once. Being elastic, the entire earth does not accelerate all at once away from you when you jump. Instead, you just deform a tiny bit of earth right under your feet.
Are you heavier on Mars?
If you traveled to Mars, you would you would weigh less because Mars is a less massive planet than Earth and is not pulling as much on you. Motivation: The gravity on Mars is roughly 1/3 the gravity on Earth. That means objects would weigh about 1/3 of their Earth weight if you brought them to Mars.
Can two heavy objects hit the Earth at the same time?
Yes, if both objects are dropped together then they hit the Earth at the same time. If they are dropped at different times, the heavy one is just a tiny bit quicker to hit the Earth because it pulls the Earth toward it more. Following up in follow up #5. That depends on the relative position of the objects.
Why do heavy objects fall to the ground at the same time?
In the absence of air friction both heavy and light objects will reach the ground at the same time. Galileo deduced this by devising clever experiments with balls rolling down inclined planes. Newton gave it his blessing by observing that a = F/M, i.e. the acceleration of an object is proportional to the force, F, on it divided by its mass, M.
Why do objects with different masses fall at the same rate?
The correct answer to the question ‘why objects with different masses fall at the same rate?’ is, ‘beacuse the gravitational and inertial masses are equal for all objects.’ Then, why does the argument sound so convincing?
What happens when two objects are dropped at the same time?
This means that two objects will reach the ground at the same time if they are dropped simultaneously from the same height. This statement follows from the law of conservation of energy and has been demonstrated experimentally by dropping a feather and a lead ball in an airless tube. When air resistance plays a role,…