Forces and Motion Flashcards
1
Q
Examples of scalar quantities
A
- Mass
- Temperature
- Speed
- Energy
- Distance
- Time
2
Q
Calculate formula of mass
A
Weight (N) = mass (KG) x gravitational field strength (N/KG)
3
Q
Vector quantities
A
- Have both magnitude and direction
- Represents vectors using arrows
4
Q
Scalar quantities
A
- magnitude (size) only
- Doesn’t have a direction
5
Q
Acceleration
A
The rate at which an object changes its speed
6
Q
Examples of vector quantities
A
- Displacement
- weight
- force
- velocity
- acceleration
- momentum
7
Q
Examples of vector quantities
A
- Displacement
- Weight
- Force
- Velocity
- Acceleration
- Momentum
8
Q
Speed
A
Metres per second
(M/S)
9
Q
Calculate the force to stretch an object
A
F = K x E
Force (N) = spring constant (N/M) x extension (M)
10
Q
Formula of acceleration
A
Acceleration = change in velocity / time
(M/S)2 (M/S) (S)