Chapter 2

Can you resolve a 2-D vector along two directions, which are not at 90° to each other?

• Yes, but not uniquely

• No

• Yes, but uniquely

The chain exerts a force of 4 kN at an angle of 15∘ from the vertical. What is the component of this force in the x-direction?

Tags

NGSS.HS-PS2-1

Determine the component of 900 lb in the y-direction

Tags

NGSS.HS-PS2-1

Resolve F along x and y axes and write it in vector form.

• 80 cos (30°) i – 80 sin (30°) j

• 80 sin (30°) i + 80 cos (30°) j

• 80 sin (30°) i – 80 cos (30°) j

• 80 cos (30°) i + 80 sin (30°) j

Tags

NGSS.HS-PS2-1

Determine the magnitude of the resultant (F1 + F2) force in N when F1= {10i+20j} N and F2= {20i + 20j} N.

• 30

• 40

• 50

• 60

Tags

NGSS.HS-PS2-1