Resultant Forces (AQA GCSE Physics Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a resultant force?
What is a resultant force?
A single force with same effect as all forces
How do you calculate resultant force for forces in opposite directions?
How do you calculate resultant force for forces in opposite directions?
Larger force - smaller force
How are forces combined when acting in the same direction along a straight line?
How are forces combined when acting in the same direction along a straight line?
By adding them
What is the resultant force on a skydiver initially with no air resistance and weight?
What is the resultant force on a skydiver initially with no air resistance and weight?
down
A skydiver has weight and air resistance . What is the resultant force?
A skydiver has weight and air resistance . What is the resultant force?
down
What happens to air resistance as a skydiver accelerates and increases speed?
What happens to air resistance as a skydiver accelerates and increases speed?
Air resistance increases
When a skydiver's weight and air resistance are equal and balanced, what is the resultant force?
When a skydiver's weight and air resistance are equal and balanced, what is the resultant force?
What is the acceleration when the resultant force is zero?
What is the acceleration when the resultant force is zero?
No acceleration
When does a skydiver reach terminal velocity?
When does a skydiver reach terminal velocity?
When resultant force is zero
What do free body diagrams show?
What do free body diagrams show?
Forces and their directions on an object
A force at angle to the ground can be resolved in which two directions?
A force at angle to the ground can be resolved in which two directions?
Parallel and perpendicular to ground
Which mathematical rule is used to resolve force components?
Which mathematical rule is used to resolve force components?
Pythagoras' rule