What is the unit of force?
The Newton, N
What is air resistance?
-Example: The faster a car moves, the more air resistance it gains.
-An object can avoid air resistance by being small and smoothed out
5. What happens to a moving object if the resultan
It slows down in the direction of the resultant force
What force is needed to give an acceleration of 2
4 N is applied to a 2 kg object. What is its accel
What does the gradient on a distance time graph re
What does the gradient on a velocity time graph re
What does a horizontal line on a velocity time gra
Whats thinking distance?
Thinking distance is the distance travelled between the need for braking and the brakes starting to act.
Whats breaking distance?
The distance taken to stop once the brakes have been applied
What can increase thinking distance?
In which direction does friction act?
In the opposite direction of movement
Vertical forces are balanced when...
It reaches terminal velocity
Elastic potential energy can be stored only when s
false, when it is stretched and squashed