Question

review – units matching
______ 1. time
______ 2. distance or height
______ 3. velocity
______ 4. acceleration
______ 5. force
______ 6. mass
______ 7. kinetic or potential energy
______ 8. work
______ 9. force of gravity
______ 10. weight
______ 11. power
______ 12. frequency
______ 13. wavelength
______ 14. density
______ 15. volume
______ 16. voltage
______ 17. current
______ 18. resistance
a) amperes (a or amps)
b) hertz (hz)
c) joules (j)
d) joules (j)
e) grams/liter or g/ml or
f) kilograms (kg) or gram
g) liters or milliliters or c
h) meters (m)
i) meters (m)
j) meters/second (m/s)
k) meters/second² (m/s²
l) newtons (n)
m) newtons (n)
n) newtons (n)
o) ohms (ω)
p) seconds (s), minute
q) volts (v)
r) watts (w)

Explanation:

To solve this units - matching problem, we need to recall the standard units for each physical quantity:

1. Time

The standard unit of time is seconds (s), minutes, etc. So we match Time with P) seconds (s), minute.

2. Distance or Height

The SI unit of distance (or height) is meters (m). So we match Distance or Height with H) meters (m).

3. Velocity

Velocity is defined as the rate of change of displacement with respect to time, and its unit is meters per second (m/s). So we match Velocity with J) meters/second (m/s).

4. Acceleration

Acceleration is the rate of change of velocity with respect to time, and its unit is meters per second squared ($m/s^{2}$). So we match Acceleration with K) meters/second$^{2}$ ($m/s^{2}$).

5. Force

The SI unit of force is Newtons (N). So we match Force with L) Newtons (N).

6. Mass

The SI unit of mass is kilograms (kg) or grams. So we match Mass with F) kilograms (kg) or gram.

7. Kinetic or Potential Energy

The unit of energy (both kinetic and potential) is Joules (J). So we match Kinetic or Potential Energy with C) Joules (J).

8. Work

Work is calculated as the product of force and displacement, and its unit is Joules (J). So we match Work with D) Joules (J).

9. Force of Gravity

The force of gravity is a type of force, and its unit is Newtons (N). So we match Force of Gravity with M) Newtons (N).

10. Weight

Weight is the force due to gravity acting on a mass, and its unit is Newtons (N). So we match Weight with N) Newtons (N).

11. Power

The unit of power is watts (W). So we match Power with R) watts (W).

12. Frequency

The unit of frequency is Hertz (Hz). So we match Frequency with B) Hertz (Hz).

13. Wavelength

The unit of wavelength (a measure of length) is meters (m). So we match Wavelength with I) meters (m).

14. Density

Density is defined as mass per unit volume, and its unit is grams/Liter or g/mL etc. So we match Density with E) grams/Liter or g/mL or.

15. Volume

The unit of volume can be liters or milliliters or cubic centimeters. So we match Volume with G) liters or milliliters or cm.

16. Voltage

The unit of voltage is volts (V). So we match Voltage with Q) volts (V).

17. Current

The unit of electric current is amperes (A or amps). So we match Current with A) amperes (A or amps).

18. Resistance

The unit of electric resistance is ohms ($\Omega$). So we match Resistance with O) ohms ($\Omega$).

Answer:

s:

1. P) seconds (s), minute
2. H) meters (m)
3. J) meters/second (m/s)
4. K) meters/second$^{2}$ ($m/s^{2}$)
5. L) Newtons (N)
6. F) kilograms (kg) or gram
7. C) Joules (J)
8. D) Joules (J)
9. M) Newtons (N)
10. N) Newtons (N)
11. R) watts (W)
12. B) Hertz (Hz)
13. I) meters (m)
14. E) grams/Liter or g/mL or
15. G) liters or milliliters or cm
16. Q) volts (V)
17. A) amperes (A or amps)
18. O) ohms ($\Omega$)