Question

a 15kg object is experiencing a net force of 150 newton while traveling in a circle of radius 90cm. what is velocity? ​

Answer 1

Answer:

Velosity :

V = 3 m/s

Explanation:

Given:

m = 15 kg

F = 150 N

R = 90 cm = 0.90 m

________________

V - ?

Acceleration:

(1)  a = F / m

(2) a = V² / R

Equate (2) and (1):

V² / R = F / m

Velocity:

V = ​√ (F·R / m)

V = √ (150·0.90 / 15) = √ 9 = 3 m/s

Answer 2

Velocity of object experiencing a net force of 150N while traveling in a circle of radius 90cm is 3m/s.

To solve this problem concept of centripetal force can be applied.

Given that,

F=150N

r= 90cm

= 0.9m

m= 15kg

Substituting the given values in the formula of centripetal force:

F= m*v^2/r

150N = 15*v^2/0.9

v^2 = 150*0.9/ 15

v^2 = 9

v = √9

v= 3m/s

An object is travelling faster while it is rotating in a circle. Even when traveling at a constant speed around the circle's edge, there is a change in velocity, which leads to an acceleration. The circle's center is the target of this acceleration.

Furthermore, an item that experiences acceleration must also be subject to a net force, according to Newton's second law of motion. The acceleration is moving in the same direction as the net force. Therefore, for an object to accelerate inward while travelling in a circle, there must be an inner force acting on the object. The centripetal force is another name for this.

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