P10 - Forces And Motion Flashcards
1
Q
Weight is the
A
Force acting due to gravity
2
Q
Weight is measured in
A
Newtons
3
Q
Mass is measured in
A
Kg
4
Q
Gravitational field strength
A
Gravitational force on a 1kg object
5
Q
Factors affecting stopping distance
A
Tiredness, alcohol / drugs, vehicle speed, road conditions, state of the vehicle
6
Q
Momentum equation
A
Mass (kg) x velocity (m/s)
7
Q
In a closed system, the total momentum before an event is ..
A
Equal to the total momentum after the event
8
Q
If an object is elastic it
A
Returns to its origional shape once forces are removed
9
Q
Limit of proportionality
A
Once the spring has been stretched past its abilit to form back
10
Q
Extension of spring is directly proportional to
A
The force applied on it