A ball moves a horizontal circle....

[talknerdy2me]

Homework Statement

While a string is attached to a ball and the ball moves in a horizontal circle at a constant speed, does the force change both the direction and speed of the ball? Explain.

Homework Equations

No equations necessary.

The Attempt at a Solution

*I think* the force changes the direction but not the speed since the speed is constant?

 

[berkeman]

Homework Statement

While a string is attached to a ball and the ball moves in a horizontal circle at a constant speed, does the force change both the direction and speed of the ball? Explain.

Homework Equations

No equations necessary.

The Attempt at a Solution

*I think* the force changes the direction but not the speed since the speed is constant?

Correct. Are you familiar with the definitions of scalar speed and vector velocity?

 

[talknerdy2me]

Correct. Are you familiar with the definitions of scalar speed and vector velocity?

Yes I am scaler = no direction and vector = with direction.