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Gravity!
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∙ 11y ago
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A rolling ball will eventually stop rolling why does it do that?
It will not, unless it is acted upon another force. If it's rolling on something, then friction will stop it (the ball rubbing on the table slows it down).
What are some situations where friction is good and some some where friction is bad?
In situations where you want to create heat or dissipate kinetic energy, friction is usually a good thing. Friction when rubbing your hands together creates heat, which you appreciate, and friction between your brake pad and brake disc slows down your car, which is also a good thing. In situations where you want to maintain kinetic energy or minimize heat, friction is usually bad. Air friction slows down a glider, limiting its range, and mechanical friction in a car rolling on a flat surface causes it to stop without the brakes being applied.
What is the force acting on 2800 kg truck if its slows down from 60 meter per secs. to 35 meter per secs. in 6 seconds?
(-)11,666.67 N. To calculate this, you need to use the impulse-momentum principle, whereby the change in momentum is equal to the force multiplied by the time over which the force is applied. The change in momentum here is the final speed x the mass - the initial speed x the mass. Then divide the answer by the time (six seconds) and the answer will be the force applied (in this case the answer is negative as the force is applied in the direction opposite to the direction of the truck's motion.)
As the ball rises from poin 1 to point 3 it slows down is true or false?
As the ball rises from point 1 to point 3 it slows down - This is True
Slows the motion between two objects in contact with each other?
friction
What force slows a marble rolling flat on a surface?
The force that slows a marble rolling on a flat surface is friction. Because friction is what stops something when it's moving. Like when you throw a ball, it starts going slower, and slower, and slower, until it stops. Why? Well you know a force is involved in something like this! But what kind? It's called: Friction!
What is the force that slows down an object rolling along on a perfectly flat surface?
friction
What do you think causes the marbles to stop rolling?
If you were to roll a marble (across what doesn't matter), what slows the object down is called traction.
What is the definition for rolling friction?
Wheels, ball bearings, the Egyptians building the pyramids using tree trunks to move the stones. An example of rolling friction would be like a skateboard rolling on a sidewalk. car running up a hill. someone pushing a wheel barol A bowling ball
What force slows and stops a rolling ball on the moon?
friction from the ground and the extremely light atmosphere
Why does a ball rolling on a carpet slow down and stop?
it is because the land is flat it has large surface area which experiences a large force of friction due to air and hence slows down
A rolling ball will eventually stop rolling why does it do that?
It will not, unless it is acted upon another force. If it's rolling on something, then friction will stop it (the ball rubbing on the table slows it down).
When a person stops pedaling the bicycle slows down what force is this?
air Resistance is proportionate to velocity squared, so air resistance is dominant over a certain speed, but below that speed it will be rolling resistance that is the biggest factor. At 12mph, 80% of your effort goes into overcoming air resistance on a cycle.
Why does an object stop rolling?
The small amount of friction of the wheel molecules rubbing against the surface molecules is called "rolling friction". Also, the object itself has aerodynamic resistance as it pushes it's way through the air. The combination of these two sources of drag eventually slows and stops a rolling object (on a flat surface).
Why does a soccer ball that is quickly rolling across a grass field slows down and finally stops rolling?
It will slow down because of the force of friction on the grass field resisting its motion, as well as the force applied by the blades of grass which act like small springs.
What is good about frictional force?
friction is what slows everything down. if there was no gravity and you rolled a ball across the ground, then the ball would just keep rolling forever
What is friction what are four types of friction?
Friction is most commonly known as any push or pull. There are four types of friction ; sliding friction, static friction, rolling friction, and fluid friction. Sliding friction is when something is sliding against another surface. Static friction is when there is force being applied upon a heavy object or the object is being moved on a rough surface. Rolling friction is when something is rolling on a surface and friction slows it down. Finally, fluid friction is when an object is being slown down on or in water, air, or any others fluid.
