8.3 Standard Units (SI Units) Flashcards
1
Q
Displacement
A
Vector
2
Q
Distance
A
Scalar
3
Q
SI units for displacement & distance
A
metres (m)
(length)
4
Q
Velocity
A
Vector
5
Q
Speed
A
Scalar
6
Q
SI units for velocity & speed
A
ms^-1 OR m/s
(length/time)
7
Q
Acceleration
A
Vector
8
Q
What is negative acceleration known as
A
Deceleration OR Retardation
9
Q
SI units for acceleration
A
ms^-2 OR m/s^2
(length/time^2)
10
Q
SI units for time
A
Seconds (s)
11
Q
SI units for mass
A
Kilograms (kg)
12
Q
How to calculate Weight & Force
A
Mass x Acceleration
13
Q
SI units for weight & force
A
Newtons (N) OR (kgms^-2)
14
Q
Converting units
A
mm -> cm /10
cm -> m /100
m -> km /1000
g -> kg /1000
hrs -> secs /3600
15
Q
Yards to feet
A
1 yard = 3 ft
