PHYS 165 Module 1 | Physics Exam Q&A | Portage
Learning
These are 100 original multiple-choice practice questions for PHYS 165 Module 1.
Since exact module content varies by institution, this set assumes Module 1 covers
measurement and units, vectors, 1D and 2D kinematics, projectile motion, and
Newton’s laws. They are not official examination questions and are not copied from any
textbook, test bank, or copyrighted source.
Question 1:
Which of the following is the SI base unit for length?
A. Meter
B. Foot
C. Mile
D. Inch
Correct answer: A
Rationale:
The meter is the SI base unit of length.
Question 2:
Which of the following is the SI base unit for mass?
A. Gram
B. Pound
C. Kilogram
D. Slug
Correct answer: C
Rationale:
The kilogram is the SI base unit of mass.
Question 3:
Which of the following is the SI base unit for time?
A. Minute
B. Hour
,C. Second
D. Day
Correct answer: C
Rationale:
The second is the SI base unit of time.
Question 4:
The newton is a derived unit equal to:
A. kg·m/s
B. kg·m/s²
C. kg/m·s²
D. kg·s²/m
Correct answer: B
Rationale:
Force equals mass times acceleration, so 1 N = 1 kg·m/s².
Question 5:
Write 0.00045 in scientific notation.
A. 4.5 × 10⁻⁴
B. 4.5 × 10⁴
C. 45 × 10⁻⁵
D. 0.45 × 10⁻³
Correct answer: A
Rationale:
Move the decimal four places right, giving 4.5 × 10⁻⁴.
Question 6:
Write 3.2 × 10⁵ in standard form.
A. 32,000
B. 320,000
C. 3,200,000
D. 0.000032
Correct answer: B
,Rationale:
3.2 × 10⁵ = 320,000.
Question 7:
How many significant figures are in 0.00320?
A. 2
B. 3
C. 4
D. 5
Correct answer: B
Rationale:
The leading zeros are not significant; 3, 2, and the trailing zero are significant.
Question 8:
How many significant figures are in 1.20 × 10³?
A. 2
B. 3
C. 4
D. 5
Correct answer: B
Rationale:
In scientific notation, all digits before the multiplication sign are significant: 1, 2, and 0.
Question 9:
Add: 12.11 + 0.3. The result should be rounded to:
A. 12.4
B. 12.41
C. 12.410
D. 12
Correct answer: A
Rationale:
The least precise decimal place is tenths, so the sum 12.41 rounds to 12.4.
, Question 10:
Multiply: 2.0 × 3.00. The result should have how many significant figures?
A. 1
B. 2
C. 3
D. 4
Correct answer: B
Rationale:
The answer should have the same number of significant figures as the least precise
factor, 2.0, which has 2.
Question 11:
Speed has dimensions of:
A. L/T
B. L·T
C. L/T²
D. T/L
Correct answer: A
Rationale:
Speed is distance divided by time, so its dimension is length over time.
Question 12:
Density is measured in:
A. kg/m³
B. kg·m³
C. kg/m²
D. m³/kg
Correct answer: A
Rationale:
Density is mass per volume, so the SI unit is kg/m³.
Question 13:
Which of the following is a vector quantity?
Learning
These are 100 original multiple-choice practice questions for PHYS 165 Module 1.
Since exact module content varies by institution, this set assumes Module 1 covers
measurement and units, vectors, 1D and 2D kinematics, projectile motion, and
Newton’s laws. They are not official examination questions and are not copied from any
textbook, test bank, or copyrighted source.
Question 1:
Which of the following is the SI base unit for length?
A. Meter
B. Foot
C. Mile
D. Inch
Correct answer: A
Rationale:
The meter is the SI base unit of length.
Question 2:
Which of the following is the SI base unit for mass?
A. Gram
B. Pound
C. Kilogram
D. Slug
Correct answer: C
Rationale:
The kilogram is the SI base unit of mass.
Question 3:
Which of the following is the SI base unit for time?
A. Minute
B. Hour
,C. Second
D. Day
Correct answer: C
Rationale:
The second is the SI base unit of time.
Question 4:
The newton is a derived unit equal to:
A. kg·m/s
B. kg·m/s²
C. kg/m·s²
D. kg·s²/m
Correct answer: B
Rationale:
Force equals mass times acceleration, so 1 N = 1 kg·m/s².
Question 5:
Write 0.00045 in scientific notation.
A. 4.5 × 10⁻⁴
B. 4.5 × 10⁴
C. 45 × 10⁻⁵
D. 0.45 × 10⁻³
Correct answer: A
Rationale:
Move the decimal four places right, giving 4.5 × 10⁻⁴.
Question 6:
Write 3.2 × 10⁵ in standard form.
A. 32,000
B. 320,000
C. 3,200,000
D. 0.000032
Correct answer: B
,Rationale:
3.2 × 10⁵ = 320,000.
Question 7:
How many significant figures are in 0.00320?
A. 2
B. 3
C. 4
D. 5
Correct answer: B
Rationale:
The leading zeros are not significant; 3, 2, and the trailing zero are significant.
Question 8:
How many significant figures are in 1.20 × 10³?
A. 2
B. 3
C. 4
D. 5
Correct answer: B
Rationale:
In scientific notation, all digits before the multiplication sign are significant: 1, 2, and 0.
Question 9:
Add: 12.11 + 0.3. The result should be rounded to:
A. 12.4
B. 12.41
C. 12.410
D. 12
Correct answer: A
Rationale:
The least precise decimal place is tenths, so the sum 12.41 rounds to 12.4.
, Question 10:
Multiply: 2.0 × 3.00. The result should have how many significant figures?
A. 1
B. 2
C. 3
D. 4
Correct answer: B
Rationale:
The answer should have the same number of significant figures as the least precise
factor, 2.0, which has 2.
Question 11:
Speed has dimensions of:
A. L/T
B. L·T
C. L/T²
D. T/L
Correct answer: A
Rationale:
Speed is distance divided by time, so its dimension is length over time.
Question 12:
Density is measured in:
A. kg/m³
B. kg·m³
C. kg/m²
D. m³/kg
Correct answer: A
Rationale:
Density is mass per volume, so the SI unit is kg/m³.
Question 13:
Which of the following is a vector quantity?
