Force & Momentum (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does a resultant force acting on an object cause?
What does a resultant force acting on an object cause?
Acceleration
What happens to momentum when a force changes an object's velocity?
What happens to momentum when a force changes an object's velocity?
Momentum changes
Which equation expresses force as a change in momentum?
Which equation expresses force as a change in momentum?
In the equation , what does represent?
In the equation , what does represent?
Change in momentum
What are the units of change in momentum?
What are the units of change in momentum?
kg m/s
What are the units of force?
What are the units of force?
Newtons (N)
What does a faster rate of change of momentum mean?
What does a faster rate of change of momentum mean?
A bigger force
Why do safety measures on vehicles reduce injuries to passengers?
Why do safety measures on vehicles reduce injuries to passengers?
They reduce force by slowing momentum change
How do seat belts reduce force on passengers during a crash?
How do seat belts reduce force on passengers during a crash?
They stretch to increase stopping time
What is the purpose of airbags in a vehicle crash?
What is the purpose of airbags in a vehicle crash?
To slow the passenger down
How do gymnasium crash mats reduce force on a falling gymnast?
How do gymnasium crash mats reduce force on a falling gymnast?
Increase time taken to stop
How do cycle helmets protect your head during impact?
How do cycle helmets protect your head during impact?
Crushable foam increases stopping time