Page 29 - Physics Form 5 KSSM_Neat

Activity 1.6 CHAPTER 1

Aim: To draw the triangle of forces
Instructions: Force and Motion II
SCAN ME
SCAN ME
1. Carry out this activity in pairs. Method to draw
KEMENTERIAN PENDIDIKAN MALAYSIA
2. Scan the QR code for the guide to draw the triangle of forces. triangle of forces
3. By referring to Figure 1.25, sketch the triangle of forces for the
following situations: http://bit.ly/2QU7vZW

R
T T Ship moving with
α α uniform velocity
F
T
R
θ
R θ
T
θ

W W
W = Weight of box W = Weight of photo and frame T = Tension in the cable
R = Normal reaction T = Tension in the string R = Water resistance
F = Frictional force
R

(a) A box stationary on an (b) Photo and frame hung by (c) A container ship being
inclined plane a string pulled by two tug boats
with a uniform velocity
Figure 1.25
4. Put up your sketch at the Physics Corner of the notice board in your class.

Discussion:
1. Discuss two more examples of three forces in equilibrium.
2. Sketch the triangle of forces for the two examples that you have suggested.

LS 1.3.2 19