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HomeMathWhat's Centripetal Drive? Definition and Actual Life Instance

What’s Centripetal Drive? Definition and Actual Life Instance

A centripetal pressure is any pressure that makes an object comply with a round path. In truth, the which means of the phrase centripetal is ” middle searching for ” or ” towards the middle “

There are numerous actual life examples of this pressure. Check out the next examples.


Whirling ball

Centripetal force

Think about utilizing a string to spin the inexperienced ball you see above.
In response to Newton’s first regulation of movement, the ball ought to have stayed
in a straight path. Nonetheless, this isn’t the case. The ball follows as an alternative a round path as a result of the string is pulling the ball again
towards the middle or towards the black dot. With out this pressure, the ball
won’t revolve. As a substitute, it will simply transfer alongside a straight line.


Gravitational pressure

gravitational pressure is directed towards the middle of the earth. This
pressure can be a centripetal pressure protecting the moon in nearly round
orbit across the earth.


Automobile driving round a curve

When a automobile
drives round a curve, there have to be enough frictional pressure in
place between the tires and the highway to supply the required centripetal
pressure. In any other case, the automobile will skid as an alternative of going across the curve.  

Is there a system for the centripetal pressure?

To search out this pressure, you should utilize Newton’s second regulation of movement.

F = m × a

m is the mass of the article

a is the centripetal acceleration
given by the next system. We’ll show the system for
centripetal acceleration in one other lesson.

Centripetal acceleration =


Centripetal pressure system

Centripetal pressure = F =

m × v2

  • The unit of centripetal pressure is Newton or N.
  • The unit of mass is kilogram or kg.
  • The unit of velocity or v is meter per second or m/s
  • The unit of the radius or r is meter or m

An instance exhibiting how you can use the centripetal pressure system

A automobile with a weight of 1000 kg goes round a round path that has a radius of 400 meters with a velocity of 20 m/s. What’s the centripetal pressure exerted on the automobile?

F = mv2 / r

F = [1000(20)2] / 400

F = [1000(400)] / 400

F = 400000 / 400

F = 1000

The centripetal pressure exerted on the automobile is 1000 Newtons.

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