Is any force exerted on you while you move in a circle at unchanging speed? howdo you know?
Are you accelerating? What does Newton's 2nd law tell you?
No acceleration cuz its amoving at a contastant speed.I dont know newtons 2nd law
In physics, acceleration means a change in velocity, not just speed. Velocity changes when the direction of motion changes, so circular motion is accelerated.
Newton's 2nd law will tell you that force and acceleration are proportional. But even Newton's 1st law should tell you that a force is required in order for something to do anything but continue moving in a straight line at constant speed.
Imagine that you tied a rock on the end of a string and swung it around in a circle. Does that require exerting a force on the rock (via the string)? Sure.
Ok, the rock and the string makes alot of sense. so there would be a force exerted on you because a force is required for something to do anything right?
A net force is required for an object to change its motion (change speed or direction).
yep, you can be pretty sure that anything which doesn't move in a dead straight line is being accelerated by a force. It was Galileo who dicovered that simple idea.
Thanks for the help. Its alot clearer now.
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