Question 1

Which of the following is the correct SI unit for force?

Accepted Answer

Newton $$[N]$$

Question 2

A car travels a distance of $$5.0 	imes 10^3$ meters. Express this distance in kilometers using metric prefixes.

Accepted Answer

$$5.0$$\ km

Question 3

Which of the following best describes a 'physical quantity' in physics?

Accepted Answer

A measurement that includes both a number and a unit

Question 4

Convert $$3,000,000,000$$ nanometers (nm) to decameters (dam).

Accepted Answer

$$3$$\ dam

Question 5

Which of the following is the correct scientific notation for $$0.000000529$$?

Accepted Answer

Question 6

A measurement is recorded as $$7.1 	imes 10^5$ meters. What is this value in standard form?

Accepted Answer

$$710,000$$\ m

Question 7

Which of the following is the correct relationship for force in terms of mass and acceleration?

Accepted Answer

$$F = m 	imes a$$

Question 8

If you convert $$762$$ kilograms to milligrams, what is the result?

Accepted Answer

$$7.62 	imes 10^8$\ mg

Question 9

Which of the following is the correct scientific notation for the speed of light, $$299,800,000 m/s$$?

Accepted Answer

$$2.998 	imes 10^8$\ m/s

Question 10

A student measures a length as $$0.0041$$ kilometers. Express this value in meters.

Accepted Answer

$$41$$\ m

Question 11

Which of the following best describes why units must be compatible in physics equations?

Accepted Answer

To allow mathematical operations to be valid and meaningful

Question 12

Rewrite $$9.98 	imes 10^7$ in standard form.

Accepted Answer

$$99,800,000$$

Question 13

Which of the following is the correct scientific notation for $$0.000341$$?

Accepted Answer

$$3.41 	imes 10$$^{-4}$$

Question 14

A mass of $$1.6 	imes 10^4$ kg is to be written in standard form. What is the correct value?

Accepted Answer

$$16,000$$\ kg

Question 15

Which of the following is the correct SI unit for time?

Accepted Answer

Second $$[s]$$

Question 16

If you move from a larger metric unit to a smaller one, what happens to the number?

Accepted Answer

It becomes larger

Question 17

Which of the following is the correct way to express $$5,970,000,000,000,000,000,000,000 kg in $$scientific notation?

Accepted Answer

$$5.97 	imes 10$$^{24}$$\ kg

Question 18

A measurement is given as $$3.89 mm. $$Express this value in meters using scientific notation.

Accepted Answer

$$3.89 	imes 10$$^{-3}$$\ m

Question 19

Which of the following is the correct metric prefix for $$10^{-6}$$?

Accepted Answer

micro-

Question 20

A student needs to convert $$6.5 km to $$meters. What is the correct value?

Accepted Answer

$$6,500$$\ m

Measurement, Units, Metric Prefixes, and Scientific Notation in Physics

Study Guide - Practice Questions