Laws of Motion
Physics ⇒ Mechanics
Laws of Motion starts at 8 and continues till grade 12.
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See sample questions for grade 9
A 1 kg object is accelerated at 3 m/s². What is the force applied?
A 10 kg object is at rest. What is its momentum?
A 2 kg object is moving at 5 m/s. What is its momentum?
A 4 kg object is moving at 2 m/s. What is its momentum?
A 5 kg object is moving with a velocity of 4 m/s. What is its momentum?
A ball is thrown upwards. What is the direction of the net force acting on it while it is rising?
A car of mass 1000 kg increases its velocity from 10 m/s to 20 m/s in 5 seconds. Calculate the force applied.
A force acts on a 0.5 kg object and produces an acceleration of 6 m/s². What is the force?
A force of 10 N is applied to a mass of 2 kg. What is the acceleration produced?
A force of 15 N is applied to a 3 kg object. What is the acceleration produced?
A person kicks a football and it moves forward. Which law of motion is demonstrated here?
Define inertia.
Explain why a person wearing a seatbelt is safer during a car accident.
If a moving object comes to rest, what can you say about the net force acting on it?
If the mass of an object is doubled, but the force applied remains the same, what happens to the acceleration?
If the velocity of an object is doubled, what happens to its momentum?
State Newton's Second Law of Motion.
State Newton's Third Law of Motion.
State the law of conservation of momentum.
State the mathematical formula for Newton's Second Law of Motion.
