a flight attendant pulls a wheeled suitcase, applying a 64-N force at a 35 degree angle to horizontal. how much work does she do in pulling the suitcase 45m
f=d/t=64+35=99/2x45=2227.5
work = 64 N * cos(35º) * 45 m
To calculate the work done by the flight attendant in pulling the suitcase, we need to use the formula:
Work = Force x Distance x Cos(theta)
Where:
- Force is the applied force, which is 64 N in this case.
- Distance is the distance over which the force is applied, which is 45 m in this case.
- Theta is the angle between the applied force and the direction of motion, which is 35 degrees in this case.
Let's plug in the values into the formula:
Work = 64 N x 45 m x Cos(35 degrees)
First, let's calculate the cosine of 35 degrees:
Cos(35 degrees) ≈ 0.8191
Now, we can substitute this value into the formula:
Work ≈ 64 N x 45 m x 0.8191
Calculating this expression will give us the value of work done by the flight attendant in pulling the suitcase.