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Interaction of Forces
Interaction of Forces I
1 h 17 min
Concept: What is a force?
5 min
Concept: What can a force do?
9 min
MCQ: A force can change the _____________ of a moving object.
10 min
MCQ: What are some effects of forces which can be observed ...
7 min
Concept: What is friction?
15 min
MCQ: Which of the following forces would move the heavy box along the floor?
9 min
Structured Q: What is another problem that the force mentioned may cause to the box?
8 min
Structured Q: Which arrow represents the frictional force acting between Randy’s shoes ...
6 min
Bonus: Push and pull
3 min
Bonus: The effects of forces
3 min
Bonus: Real-life applications of frictional force
2 min
Worksheet PDF
Answer PDF
Interaction of Forces II
54 min
MCQ: Which of the following shows the relationship between the angle of the plank ...
5 min
Structured Q: Draw her expected results on the graph.
11 min
Concept: Gravitational force
12 min
Let’s Try! Points A, B and C are the different positions along the path of ...
5 min
MCQ: Which statement (s) below about gravitational force is/are true?
4 min
MCQ: A stone was fired from a catapult at W and landed on the ground at Y before ...
5 min
Structured Q: John commented that the space shuttle can move upwards without ...
5 min
Bonus: Negative effects of friction
3 min
Bonus: How to reduce friction?
4 min
Worksheet PDF
Answer PDF
Interaction of Forces III
52 min
MCQ: Which of the arrows, A, B, C or D, show the gravitational force and the frictional ...
7 min
MCQ: Which of the following graphs most likely shows the results of his observation?
8 min
Structured Q: What does the spring balance measure when the load is being pulled up ...
6 min
Structured Q: Explain why it is a disadvantage to push the box up using the short plank ...
7 min
MCQ & Structured Q: Joan observed that the crushed piece of paper will reach ...
9 min
Experimental techniques MCQ: Which pairs of set-ups should she use for ...
5 min
Experimental techniques Structured Q: Which surface is best used to make the tyres ...
5 min
Experimental techniques Structured Q: What is the aim of his experiment?
5 min
Worksheet PDF
Answer PDF