Forces affect how objects move. They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that acceleration is a change in velocity.
Answer with Explanation:
We are given that
Mass=3.01 kg
Radius,r=0.2 m
Angular frequency,
a.Angular momentum,
b.When the axis of rotation passes through a point midway between the ceneter and rim then moment of inertia,I=
Angular momentum,
Answer:
Fluorine is the most reactive element
To solve this problem we will apply the principles of conservation of energy, for which we have to preserve the initial kinetic energy as elastic potential energy at the end of the movement. If said equality is maintained then we can affirm that,


Here,
m = mass
k = Spring constant
x = Displacement
v = Velocity
Rearranging to find the velocity,



Our values are,



Replacing our values we have,


Therefore the velocity is 
The amount of work done during the kick is 200 Joules.
<h3>Formula for Work done </h3>
The formula for work done is Force× Distance
This is represented by fd
The force applied is 1,000 Newton
The displacement exerted by the force during kicking is 0.2meter
From this we can get the work done which is:
W= fd
= 1000N × 0.2m
= 200 Joules.
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