Example Question 2

Example Question 2

Force example question 2

Your baby sister decided to help you pull your awesome box as well, exerting 150 N at θ = 15^o below the horizontal. Calculate the resultant force acting on the awesome box.

Your baby sister decided to help you pull your awesome box as well, exerting 150 N at θ = 15^o below the horizontal. Calculate the resultant force acting on the awesome box.

Method 1: Addition of rectangular components (Preferred)

Method 1: Addition of rectangular components (Preferred)

Click below to show answer. X

Step 1:
Calculate components of resultant force, R_x & R_y

Step 1:
Calculate components of resultant force, R_x & R_y

Force solution step 1

Step 2:
Determine magnitude and direction of resultant force

Step 2:
Determine magnitude and direction of resultant force

Force solution step 2

Useful formula:

Useful formula:

Method 2: Parallellogram method

Method 2: Parallellogram method

Click below to show answer. X

Step 1:
Draw parallellogram using the two forces

Step 1:
Draw parallellogram using the two forces

Force solution step 1

Step 2:
Calculate magnitude and direction of resultant force using the parallellogram

Step 2:
Calculate magnitude and direction of resultant force using the parallellogram

Force solution step 2

Useful formula:

Useful formula:

Now that you've mastered this question, you can try Question 1.