Explore the fundamental principles of dynamics, where Newton’s laws of motion and force interactions come to life. Discover concise summaries on forces, free-body diagrams, and equilibrium for easy comprehension. Students can learn to analyze forces and motion through detailed example problems and solutions.

πŸ‘¨πŸ»β€πŸ«4 Physical Live Lessons * 2 Hours/Week

πŸ’»11 Conceptual Videos & 7 Example Question Videos

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Mastery Practices


a) A car has a mass of 2.0Γ—10Β³ kg. The resultant force created by the engine is 3.0Γ—10Β³ N. Calculate the acceleration caused by this force.

b) A man applies a force of 50 N to move a carton of mass 10kg at a constant speed. What is the frictional force exerted by the floor?

Answer Explanation


The maximum acceleration of an empty truck of mass p is 6m/sΒ².

a) What is the maximum force produced by the engine in term of p?

b) By using your result in (a), calculate the acceleration of the truck when it carries a load half of its mass.

Answer Explanation

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