
Physics - Measurement Units
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Physics, Mathematics, Fun
•
11th Grade
•
Medium
Dwi Febriana
Used 13+ times
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7 Slides • 26 Questions
1
Physics A-Level
MEASUREMENT AND UNITS
by Dwi Febriana
2
Physical Quantity
Physical quantities have a numerical value and a unit. In physics, it is essential to give the units of physical quantities.
You might write the mass of the laptop as:
mass of the laptop = 2 kg
3
SI Systems
The scientific system of units is called the Système Internationale d’Unités (or SI system). The seven base units of this system are listed in below:
4
Multiple Choice
SI stands for ___.
Sports Illustrated
Scientific Notation
International System (of measurements)
Instructional System (of measurements)
5
Multiple Choice
6
Multiple Choice
7
Multiple Choice
8
Multiple Choice
9
Multiple Choice
__?__.
10
Multiple Choice
Newtons could be used to measure __________ and __________.
mass, speed
momentum, work
force, weight
direction, power
11
Multiple Choice
What is the unit for momentum, ρ?
Moments
kg ms-1
kg ms-2
inertia
12
Multiple Choice
What is the unit for power, P?
Watt
Volt
Ampere
Joule
13
Multiple Choice
Wiggins is trying to find the density of an ice cube. First, he measures the cube and sees that its mass is 80 kilograms. Then, he measures the length of the cube and determines that each side is 2 m long. Determine how dense the ice cube that Wiggins is measuring.
40 kg/m3
10 kg/m3
8 kg/m3
640 kg/m3
There is not enough information to determine the density of the ice cube.
14
Multiple Choice
15
Multiple Choice
ms-1 is the unit for ...
acceleration
velocity
momentum
force
16
Multiple Choice
What is the unit for kinetic energy, Ek?
Watt
Joule
Volt
Newton
17
Multiple Choice
What is the unit for acceleration?
ms-2
ms-1
Nm
Nm-1
18
Multiple Choice
Seconds are the S.I. units for ...
distance
velocity
speed
time
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Prefixes
In physics, you will have to cope with very small and very large numbers. Numbers are written using powers of 10 to make them less awkward. This is known as scientific notation.
Prefixes are used as an abbreviation for some of the powers of 10.
20
Prefixes
In physics, you will have to cope with very small and very large numbers. Numbers are written using powers of 10 to make them less awkward. This is known as scientific notation.
Prefixes are used as an abbreviation for some of the powers of 10.
21
22
Prefixes
In physics, you will have to cope with very small and very large numbers. Numbers are written using powers of 10 to make them less awkward. This is known as scientific notation.
Prefixes are used as an abbreviation for some of the powers of 10.
23
Multiple Choice
Which one of these options is NOT a fundamental quantity?
Time
Electric current
Energy
Luminous Intensity
24
Multiple Choice
What is the SI unit of electric current?
Ampere (A)
Volt (V)
Ohm
Mole
25
Multiple Choice
What is the DIMENSION of length?
[M]
[L]
[T]
[l]
26
Multiple Choice
What is the DIMENSION of time?
[M]
[L]
[T]
[l]
27
Multiple Choice
Which one of these options is NOT a derived quantity?
Area
Volume
Density
Temperature
28
Multiple Choice
What is the SI unit of speed?
m/s
cm/s
km/hour
kg/m
29
Multiple Choice
1 nm (nano-meter) = .... m
1 x 10-12
1 x 109
1 x 10-9
1 x 1012
30
Multiple Choice
In 2008 Olympic Game, Usain Bolt sets world record at 10 s in Men’s 110 m Final. What is his average speed ?
1100 ms
11 m/s
10 m/s
0.09 m/s
31
Multiple Choice
What is the DIMENSION of acceleration?
L3
[L/T]
[L/T2]
LT
32
Multiple Choice
a, b, and c have units of meters, s = a, what is dimension of s, [s] ?
[M]
[L]
[M/L]
[ML]
33
Multiple Choice
a, b, and c have units of meters, s = a + b, what is the dimension of s, [s]?
[M]
[L]
[M/L]
[ML]
Physics A-Level
MEASUREMENT AND UNITS
by Dwi Febriana
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