normal force
DESCRIPTION
Slides for teaching normal force on horizontal and inclined planes.TRANSCRIPT
Force
Normal
Weight
Weight
Weight
Normal
Weight
Normal
W
N
inclined plane
W
x
y
W
W’s component into surface
x
y
W
W’s component into surface
WWy
N
WWy
N
WWy
W
𝜃
N
Wy
𝜃
N
Wy
W
Wy = W • cos
W
N
Wy
30°
N
Wy
W30°
Wy = W • cos 30°
30°
W
N
Wy
Wy = W • cos 30°
30°
W = 520 N
N
Wy
Wy = 520 N • cos 30°
30°
W = 520 N
N
Wy
Wy = 520 N • cos 30° = 450 N into the slope
30°
W = 520 N
N
Wy
30°
W = 520 N
N
450 N
30°
W = 520 N
450 N
450 N