DIGITAL LESSONS > O-LEVEL/ IP DYNAMICS
Dynamics
Explore the fundamental principles of dynamics and delve into Newton’s laws of motion and force interactions. Our concise summaries on forces,free-body diagrams, and equilibrium provide a solid foundation for understanding these concepts. Learn this chapter through detailed example problems and solutions.
👨🏻🏫4 Physical Live Lessons * 2 Hours/Week
💻11 Conceptual Videos & 7 Example Question Videos
Conceptual Videos
Summary Notes
Mastery Practices
🟩Easy
a) A car has a mass of 2.0×10³ kg. The resultant force created by the engine is 3.0×10³ N. Calculate the acceleration caused by this force.
b) A man applies a force of 50 N to move a carton of mass 10 kg at a constant speed. What is the frictional force exerted by the floor?
Video Explanation
Answer
🟨Medium
a) In the following diagrams, calculate the resultant force.
b) Draw and state the magnitude of another force acting on the object to give a resultant force 40 N as indicated on the diagram.
Video Explanation
Answer
🟨Medium
An object is pulled at a steady speed by two cables along a horizontal surface as shown. By means of a scale drawing, determine the magnitude and direction of the resultant force exerted on the object by the cables.
Video Explanation
Answer
🟥Advance
A box with a mass 5.0 kg is pushed on the floor as shown below.
The force applied by the man is 20.0 N. The frictional force exerted by the floor is 12.0 N. Find the acceleration of the box.
Video Explanation
Answer
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