Resultant Forces (Edexcel 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 is a resultant force?
What is a resultant force?
A single force with same effect as all
Two forces of N and N act in opposite directions. What is the resultant force?
Two forces of N and N act in opposite directions. What is the resultant force?
N
How do you find the resultant of forces acting in the same direction?
How do you find the resultant of forces acting in the same direction?
Add them
What are the two forces acting on a skydiver?
What are the two forces acting on a skydiver?
Air resistance and weight
Initially, a skydiver has no air resistance and weight of N. What is the resultant force?
Initially, a skydiver has no air resistance and weight of N. What is the resultant force?
N down
A skydiver has weight N and air resistance N. Calculate the resultant force.
A skydiver has weight N and air resistance N. Calculate the resultant force.
N down
At one stage, a skydiver experiences a resultant force of N down. What is happening?
At one stage, a skydiver experiences a resultant force of N down. What is happening?
Acceleration is decreasing
What is the resultant force when a skydiver reaches terminal velocity?
What is the resultant force when a skydiver reaches terminal velocity?
N
What happens to acceleration when the resultant force is zero?
What happens to acceleration when the resultant force is zero?
No acceleration
What do free body diagrams show?
What do free body diagrams show?
Forces and their directions
A force acts at angle to the ground. How can it be resolved?
A force acts at angle to the ground. How can it be resolved?
Parallel and perpendicular to ground
Which rule relates force to its components and ?
Which rule relates force to its components and ?
Pythagoras' rule