A delivery rider has delivered a heavy parcel weighted approximately 50 kg outside of the house in Taman Sentosa as in Figure 2. The father tied and attached it with a rope and pulled it into the house along 7m of

a corrugated floor. She started to move the parcel at 2.45 pm, when she entered her

house, it was already 3.30 pm. During the moving process, the item makes an angle

of 35 and static friction of 1.2.

1. Illustrate the free body diagram with complete label.

2. Calculate the work done by each force acting on the wooden crate.

3. Calculate the change of motion of the wooden crate.

4. Identify the final speed of the wooden crate, and

5. Estimate power require to pull the parcel