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WorksheetsRevision by Sub Topic: Chapter 1 & Chapter 2
Total questions: 20
Worksheet time: 10mins
A physical quantity which can be completely described by its magnitude only is called
scalar
vector
displacement
velocity
Which quantity is a vector?
energy
force
speed
time
Which row contains one vector quantity and one scalar quantity?
acceleration, velocity
displacement, force
length, weight
mass, time
Which row contains three vector quantities?
acceleration, force, weight
acceleration, mass, velocity
displacement, force, work
displacement, power, work
The physical quantities mass, weight and density are all related to one another. Which quantities are scalars?
mass, weight and density
mass and density only
mass only
weight only
The velocity of a body at a given instant is called
instantaneous velocity
uniform velocity
non-uniform velocity
none of the above
Which is a scalar quantity?
mass
force
velocity
weight
The unit of linear acceleration is
kg m
m/s
m/s2
rad/s2
The diameter and the length of a thin wire, approximately 50 cm in length, are measured as precisely as possible. What are the best instruments to use?
A
B
C
D
The diagram shows a micrometer scale. Which reading is shown?
5.64 mm
7.14 mm
7.16 mm
7.64 mm
A car begins to move. It speeds up until it reaches a constant speed. It continues to travel at this constant speed for the rest of the journey. What happens to the acceleration and what happens to the velocity of the car during the journey?
Both the acceleration and the velocity change.
Only the acceleration changes.
Only the velocity changes
Neither the acceleration nor the velocity changes.
The diagram shows arrows representing two vector quantities. Which diagram shows the resultant R of these two vectors?
A car has stopped at a red light. When the light changes to green, the car starts moving with a constant acceleration. Which quantity is plotted on the x-axis and which quantity is plotted on the y-axis?
A
B
C
D
The speed-time graph represents a short journey. Which distance-time graph represents the same journey?
A
B
C
D
Which speed-time graph represents the motion of a railway train making a short stop at a station?
A
B
C
D
Velocity is the
distance covered per unit time
displacement covered per unit time
time taken per unit distance
time taken per unit displacement
When speed remains constant, velocity
may change
remain constant
must change
slightly increases
The velocity of ball at highest point when its thrown vertically upward is
-10 ms-1
10 ms-2
8 ms-1
zero
If a free falling object takes 10s to travel upward, what is the total time the object is in the air?
0 s because of symmetry and Tup = +10 s, so Tdown = -10 s. Which means that Ttotal = 0 s.
20 s because of symmetry and Tup = 10 s, so Tdown = 10 s. Which means that Ttotal = 20 s.
Greater than 10 s, but less than 20 s because the object would fall faster than it rose because of gravity.
Without more information, you cannot calculate this number.
Less than 10 s because the object begins falling back before the 10 s and it falls faster than it rises.
A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground.
the acceleration increases
the acceleration decreases
the acceleration remains constant
the less than initial
