Mechanical Energy (Grade 10 NSC Matric Physical Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is mechanical energy?
What is mechanical energy?
Sum of and
Which formula represents mechanical energy in expanded form?
Which formula represents mechanical energy in expanded form?
When is mechanical energy conserved in a system?
When is mechanical energy conserved in a system?
Absence of friction/air resistance
What energy does a pendulum have at its highest point?
What energy does a pendulum have at its highest point?
Max PE, zero KE
What happens to mechanical energy if friction is present?
What happens to mechanical energy if friction is present?
Not conserved
At maximum height, what is the kinetic energy?
At maximum height, what is the kinetic energy?
Zero (velocity = 0)
Which equation shows conservation of mechanical energy?
Which equation shows conservation of mechanical energy?
What is the potential energy at ground level if ground is the reference?
What is the potential energy at ground level if ground is the reference?
Zero
Does the path taken affect mechanical energy conservation?
Does the path taken affect mechanical energy conservation?
No, only start/end positions matter
What often cancels out in mechanical energy conservation problems?
What often cancels out in mechanical energy conservation problems?
Mass
