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CAIE A-Level Physics AS 1.4 Scalars and Vectors Questions

Practise classifying quantities, combining coplanar vectors and resolving vectors into perpendicular components.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Covered syllabus points

1.4.1—The difference between scalar and vector quantities and give examples of1.4.2—Add and subtract coplanar vectors1.4.3—A vector as two perpendicular components

Question 1

[Maximum number: 1]

Two physical quantities combined together as a product can produce a scalar quantity or a vector quantity.

Which product of two quantities produces a scalar quantity?

A

(force) × (displacement of an object in the direction of the force)

B

(mass) × (acceleration of the mass)

C

(pressure) × (area on which the pressure acts)

D

(velocity) × (time for which an object has that velocity)

Question 2

[Maximum number: 1]

The velocity of an object changes from an initial velocity u to a final velocity v. The vectors

represent these velocities.

Figure for Question 2 — CAIE A-Level Physics AS

Which single vector represents the change in velocity of the object?

A

A

B

B

Figure for Question 2 — CAIE A-Level Physics AS
D

D

A
Option A shown in diagram

Option A shown in diagram

B
Option B shown in diagram

Option B shown in diagram

C
Option C shown in diagram

Option C shown in diagram

D
Option D shown in diagram

Option D shown in diagram

Question 3

[Maximum number: 1]

A projectile is launched at an angle of 25∘25^{\circ} to the horizontal with a horizontal component of velocity of 13 m s−113 \mathrm{~m} \mathrm{~s}^{-1}.

What is the vertical component of the velocity of the projectile when it is launched?

A

5.5 m s−15.5 \mathrm{~m} \mathrm{~s}^{-1}

B

6.1 m s−16.1 \mathrm{~m} \mathrm{~s}^{-1}

C

12 m s−112 \mathrm{~m} \mathrm{~s}^{-1}

D

14 m s−114 \mathrm{~m} \mathrm{~s}^{-1}

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