Weight and Mass (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the centre of mass of an object?
What is the centre of mass of an object?
Point where all mass seems concentrated
What happens when a force passes through the centre of mass?
What happens when a force passes through the centre of mass?
Object accelerates without rotating
Where is the centre of mass located for objects with uniform density and regular shapes?
Where is the centre of mass located for objects with uniform density and regular shapes?
At the geometric centre
Is weight a force or a property like mass?
Is weight a force or a property like mass?
A force
What is the SI unit for weight?
What is the SI unit for weight?
Newtons (N)
What is the weight of an object with mass 10 kg near Earth's surface? (Use m/s²)
What is the weight of an object with mass 10 kg near Earth's surface? (Use m/s²)
98 N
What is the mass of an object that weighs 490 N near Earth's surface? (Use m/s²)
What is the mass of an object that weighs 490 N near Earth's surface? (Use m/s²)
50 kg
Which quantity changes when an object moves from Earth to the Moon?
Which quantity changes when an object moves from Earth to the Moon?
Weight
For this course, what is the relationship between centre of gravity and centre of mass?
For this course, what is the relationship between centre of gravity and centre of mass?
They refer to the same point
What does 'normal' mean when describing the normal reaction force?
What does 'normal' mean when describing the normal reaction force?
Perpendicular to the surface
In which direction does tension force act?
In which direction does tension force act?
Along the rope or cable
What factors increase air resistance on a moving object?
What factors increase air resistance on a moving object?
Higher speed and larger area