Physics in Action: Impulse (Grade 12 NSC Matric Physical Sciences): Quizzes
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10 questions from this quiz
What happens to the force when collision time increases for the same momentum change?
What happens to the force when collision time increases for the same momentum change?
Force decreases
How do air-bags reduce injury during a car collision?
How do air-bags reduce injury during a car collision?
Extend time to stop momentum
Why do wicket keepers use padded gloves?
Why do wicket keepers use padded gloves?
Padding reduces effect of force
What is the purpose of an arrestor bed for trucks?
What is the purpose of an arrestor bed for trucks?
Increase time for momentum change
What effect does follow-through have on a ball in sports like tennis?
What effect does follow-through have on a ball in sports like tennis?
Increases ball's velocity change
Which car collision situation is more dangerous?
Which car collision situation is more dangerous?
Cars bounce off each other
In , what happens to if doubles and stays same?
In , what happens to if doubles and stays same?
is halved
Why does a crumpling car experience smaller force than a rebounding car?
Why does a crumpling car experience smaller force than a rebounding car?
Change in momentum over longer time
A kg ball hits a wall at m/s and rebounds at m/s. What is ?
A kg ball hits a wall at m/s and rebounds at m/s. What is ?
kg·m/s
If kg·m/s and s, what is force magnitude?
If kg·m/s and s, what is force magnitude?
N