Newton’s First Law (Grade 11 NSC Matric Physical Sciences): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does Newton's First Law state about an object at rest or in uniform motion?
What does Newton's First Law state about an object at rest or in uniform motion?
It continues unless acted on by force
What is inertia?
What is inertia?
An object's resistance to motion changes
Why does an ice skater eventually stop after gliding across the ice?
Why does an ice skater eventually stop after gliding across the ice?
Friction and air resistance act on her
Why do passengers continue moving forward when a car suddenly stops in an accident?
Why do passengers continue moving forward when a car suddenly stops in an accident?
Due to their inertia
Why does a rocket continue at constant velocity after engines turn off in space?
Why does a rocket continue at constant velocity after engines turn off in space?
No air resistance or friction in vacuum
What is needed to change an object's state of motion?
What is needed to change an object's state of motion?
An unbalanced force
Why do passengers get thrown to the side when a car goes around a corner?
Why do passengers get thrown to the side when a car goes around a corner?
Inertia keeps them on original path
When does Newton's First Law apply perfectly?
When does Newton's First Law apply perfectly?
When no external forces are present
What forces cause a kicked football to eventually stop rolling?
What forces cause a kicked football to eventually stop rolling?
Air resistance and friction with grass
When did Sir Isaac Newton live?
When did Sir Isaac Newton live?
1642 to 1727