## How can an ant have the same linear momentum as an elephant?

Momentum combines both mass and velocity. Ant has a greater momentum because of it is moving. Momentum of the elephant would be zero because it is at rest. Was this answer helpful?

## Could an elephant have the same momentum as a gold ball?

For the elephant to be walking and have the same momentum as the golf ball, it has to have velocity that is 10−5 times that of the golf ball. So the elephant must be going 70×10−5ms . At that rate it would take about 23 minutes to go 1 m.

## Which is easier to push out in space a mouse or an elephant or are both the same?

Think of it this way: An elephant has more inertia than a mouse. It is much harder to push an elephant across a floor than it is a mouse, and much harder to stop the elephant once it is moving. Therefore, by definition, an elephant has more mass than a mouse.

## Does an elephant or mouse have more mass?

That’s because an elephant has more mass than a mouse. Mass is the amount of material in an object and is usually measured in units called kilograms (kg).

## What does the law of momentum state?

The law of momentum conservation can be stated as follows. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

## Would an elephant fall faster than a mouse?

No, both papers still fell at the same rate. All objects accelerate toward Earth at 9.8 m/s/s due to the force of gravity.

## Do mice have a large surface area?

A mouse has a very large surface area-to-volume ratio. It loses heat to its surroundings very quickly and must eat a lot of food to replace the energy lost.

## What is the difference between mass and weight?

We often use the words ‘mass’ and ‘weight’ interchangeably, but they mean quite different things. Your mass is the same no matter where you go in the universe; your weight, on the other hand, changes from place to place.

## Does a brick fall faster than a feather?

A brick would just immediately fall to the Earth, and it would do it quite quickly. It would accelerate quite quickly. While a feather would kind of float around. If you had a feather on Earth, it would just float around.

## Do heavier items fall faster?

No, heavier objects fall as fast (or slow) as lighter objects, if we ignore the air friction. The air friction can make a difference, but in a rather complicated way. The gravitational acceleration for all objects is the same. 3) how dense the object is.

## Why are there no flying elephants?

“Elephants have a lot of things going against [flight],” notes McGowan. The mammals are graviportal — which means their bodies are adapted to their great weight. And just like us, their ear flaps have only cartilage, not bone. Cartilage can’t hold a stiff shape in the same way that the bones in a wing can.

## What will happen if there is no gravity?

Humans and other objects will become weightless without gravity. If we have no gravity force, the atmosphere would disappear into space, the moon would collide with the earth, the earth would stop rotating, we would all feel weightless, the earth would collide with the sun, and as a consequence.

## Would a hammer or feather hit the ground first on the moon?

Because the Apollo crew were essentially in a vacuum, there was no air resistance and the feather fell at the same rate as the hammer. This is exactly what Galileo had concluded hundreds of years before: all objects released together fall at the same rate regardless of mass.

## Will 2 objects fall same speed?

Free Fall Motion

Objects that are said to be undergoing free fall, are not encountering a significant force of air resistance; they are falling under the sole influence of gravity. Under such conditions, all objects will fall with the same rate of acceleration, regardless of their mass.

## What if gravity stopped for 1 second?

When gravity disappears for 1 second the outwards force balanced by the gravity would be released causing a massive explosion. In other star systems with more immense stars and natural phenomena such as pulsars and and especially black holes the explosions and expansions would be greater.

## What if there was no Earth?

Without life, Earth might be similar to Venus. There would be no oxygen, but abundant carbon dioxide, which could create a runaway greenhouse effect, evaporating the oceans. There would also probably be sulphur and nitrogen oxides in the atmosphere, resulting in sulphuric and nitric acid rain.

## Will an object fall in space?

Because gravity is everywhere in space, objects in space are always falling: towards the earth, towards the sun, and towards the galactic center. There are two reasons that objects seem to be floating without gravity in space when they are really falling. Each galaxy is held together by strong gravitational forces.

## Can Earth lose its gravity?

Over the next few billion years, Earth’s gravity will change by tiny amounts because of several events. As the sun expands, the oceans will boil off into space, reducing the planet’s mass and therefore cutting the force of its gravity. But Earth’s core will also cool, so the planet will experience thermal contraction.

## Does zero gravity exist?

The sensation of weightlessness, or zero gravity, happens when the effects of gravity are not felt. Technically speaking, gravity does exist everywhere in the universe because it is defined as the force that attracts two bodies to each other. But astronauts in space usually do not feel its effects.

## What would happen if the Sun exploded?

The Sun will get hotter and brighter, and it will start to expand. During this process, it will lose its outer layers to the cosmos, leading to the creation of other stars and planets in the same way that the violent burst of the Big Bang created Earth.