Your sports Flashcards
1
Q
What is projectile motion?
A
While the ball is in contact with the racket there is a force on it.This changes the speed and direction of motion of the ball.
2
Q
What does air resistance and wieght happen to a ball wheh it is not in contact with anything?
A
It slows down and falls to the ground.
3
Q
What is reaction time?
A
It is the time that it takes for the signal to reach your brain and the signal from you brain the make your reaction.
4
Q
What are more accurate ways of recording tim because people have a reaction time of around 0.2 seconds.
A
You could use a light gate.
5
Q
Formula one cars have features that reduce the forces on the people inside.What are these?
A
If you incease the time it takes for the car to stop.
