Forces and motion Flashcards
Revise
1
Q
What is Newtons second Law?
A
When there is a resultant force acting on an object it will accelerate.
(Resultant force (N) = Mass (kg) x Acceleration (m/s2))
2
Q
Difference between mass and Weight?
A
Weight is the force due to gravity while mass is fixed (kg) and is the amount of mass
3
Q
What is terminal velocity?
A
When the force pulling downwards becomes equal to the drag being inflicted on your body (from air resistance)
4
Q
What is the stopping distance?
A
The distance it takes for a car to come to stop (a combination of thinking and braking distance)
5
Q
What is thinking distance?
A
The distance it takes for the driver to react then apply a brake
6
Q
A
7
Q
A