Calculate the watts of power expended when a force of 1.8 N moves a book 2.0 m in a time interval of 1.0 M/S
" in a time interval of 1m/s ?"
Power (W) = (Force, N) x (speed, m/s)
Your time interval must be seconds, not m/s.
To calculate the watts of power expended, you need to use the formula:
Power (P) = Force (F) x Distance (d) / Time (t)
Given:
Force (F) = 1.8 N
Distance (d) = 2.0 m
Time (t) = 1.0 s
Using the formula, substitute the given values:
Power (P) = 1.8 N x 2.0 m / 1.0 s
Now, calculate the numerator:
1.8 N x 2.0 m = 3.6 N·m
Finally, divide the numerator by the denominator:
3.6 N·m / 1.0 s = 3.6 watts
Therefore, the power expended when a force of 1.8 N moves a book 2.0 m in a time interval of 1.0 s is 3.6 watts.