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Mechanics

Total questions: 60

Worksheet time: 41mins

Name
Class
Date
1.

Instantaneous rate of change of displacement is a definition of

a)

Instantaneous velocity

b)

Instantaneous acceleration

c)

Instantaneous displacement

d)

velocity

2.

What value will you get if you calculate the gradient of a v-t graph

a)

acceleration

b)

velocity

c)

deceleration

d)

displacement

3.

S2 - S1 / t2 - t1 is defined as

a)

average velocity

b)

instantaneous velocity

c)

displacement

d)

instantaneous acceleration

4.

Describe this graph

a)

object move to left

b)

constant acceleration

c)

increasing displacement

d)

zero acceleration

5.

Describe this graph

a)

constant acceleration

b)

constant deceleration

c)

object move to the left

d)

constant velocity

6.

What is the similar graph with above graph?

a)
b)
c)
7.

describe this graph

a)

zero acceleration

b)

deceleration to right

c)

deceleration to left

d)

acceleration to right

8.

Which a-t graph represent above graph?

a)
b)
c)
9.

How can we find distance traveled?

a)

calculate area under v-t graph

b)

calculate area under a-t graph

c)

calculate area under s-t graph

10.

Honestly, do you think you understand chapter 2?

a)

yes

b)

no

11.
An object starts its linear motion from rest. Which of the following quantities does not change throughout the motion?
a)
Time
b)
Initial velocity 
c)
Final velocity
d)
1qAcceleration
12.
When one object is travelling with a constant velocity, its acceleration will be 
a)
decreasing
b)
increasing
c)
constant
d)
zero
13.
The distance travelled by an object with a constant speed of 2 ms-1 in a time of 6 s is 
a)
3 m
b)
6 m
c)
9 m
d)
12 m
14.
A car accelerates from rest to 4 m s-2 for a period of 2 minutes. What is the velocity of the car after 1 minute?
a)
8 m s-1
b)
16 m s-1
c)
240 m s-1
d)
480 m s-1
15.
A van has travelled 10 m in 2 seconds. If the acceleration was 2 ms-2, its initial velocity would be 
a)
0 m s-1
b)
3 m s-1
c)
5 m s-1
d)
6 m s-1
16.
What is the displacement of a track that moves 
3 km East and then 4 km South?
a)
1 km East
b)
7 km Northwest
c)
5 km Southeast
d)
5 km
17.

A cheetah can accelerate from rest to a speed of 30.0 m/s in 7.00 s. What is its acceleration?

a)

4.29 m/s3

b)

4.29 m/s2

c)

4.29 m/s1

d)

4.29 m/s

18.
An aeroplance is flying with decreasing acceleration, hence its velocity is 
a)
increasing 
b)
decreasing
c)
constant
19.
Acceleration only takes place when things speed up. 
a)
True
b)
False
20.
A student starts cycling from rest and reaches a speed of 12 m s-1 in 6 seconds. The distance travelled by him is
a)
18 m
b)
36 m
c)
54 m
d)
72 m
21.
What is the most common frame of reference?
a)
Earth
b)
Mars
c)
Moon
d)
Sun
22.
What is the length of the curved path traveled by an object?
a)
Displacement
b)

Distance

c)
Frame of Reference
d)
Vector
23.
What is the straight line length from the starting point to the ending point and the direction traveled?
a)
Displacement
b)
Distance
c)
Frame of Reference
d)
Vector
24.
What is the unit of displacement?
a)
Ampere
b)
Gram
c)
Liter
d)
Meter
25.
John walks 5 km east, and then turns around and walks 8 km west. What is John's displacement?
a)
3 km; East
b)
3 km; West
c)
13 km; East
d)
13 km; West
26.
What is the equation for speed?
a)
s = d + t
b)
s = d x t
c)
s = d/t
d)
s = t/d
27.
What does the slope of a distance-time graph represent?
a)
Displacement
b)
Distance
c)
Velocity
d)
Time
28.
What do you need to know to determine an object's VELOCITY?
a)
Only the distance
b)
Only the time
c)
The distance and time
d)
The distance, time, AND direction
29.
What is a runner's speed if he travels 12 meters in 4 seconds?
a)
0.33 m/s
b)
3 m/s
c)
16 m/s
d)
48 m/s
30.
Which of the following is a vector?
a)
Distance
b)
Speed
c)
Time
d)
Velocity
31.
Which of the following is a unit of acceleration?
a)
km/s
b)
meters
c)
m/s2
d)
seconds
32.
When will something accelerate?
a)
Only when its speed changes
b)
Only when its direction changes
c)
When both its speed and/or direction changes
d)
When it moves at a steady speed
33.
What is the equation for acceleration?
a)
a = d/t
b)
a = t/d
c)
a = (vf - vi)/t
d)
a = t/(vf - vi)
34.
Suppose you INCREASE your walking speed from 1 m/s to 7 m/s in a time of 2 seconds. What is your acceleration?
a)
-3 m/s2
b)
3 m/s2
c)
-4 m/s2
d)
4 m/s2
35.
Suppose a dog DECREASES its running speed from 8 m/s to 2 m/s in a time of 2 seconds. What is its acceleration?
a)
-3 m/s2
b)
3 m/s2
c)
-5 m/s2
d)
5 m/s2
36.
During what interval is the car's velocity zero?
a)
A
b)
B
c)
C
d)
D
37.
During what interval(s) is the car's velocity positive?
a)
A
b)
A & E
c)
A, C, & E
d)
B & D
38.
During what interval is the car's velocity negative?
a)
A
b)
B
c)
C
d)
D
39.
During what interval is the car's velocity the greatest?
a)
A
b)
B
c)
D
d)
D
40.
During what interval is the car accelerating?
a)
A
b)
B
c)
C
d)
D
41.
Which of the following lines shows the object is moving back?
a)
A
b)
B
c)
C
d)
D
42.
Which object is traveling faster? 
a)
B
b)
D
43.
What is the best way to describe the speed of object C?
a)
Fast
b)
Moving backwards
c)
Not Moving
d)
Slow
44.
The slope of any position verses time graph is equal to the objects?
a)
distance
b)
time
c)
acceleration
d)
speed
45.
What is happening in this graph from point B to C?
a)
The object is going down a hill.
b)
The object is returning to its starting location.
c)
The object is slowing down.
d)
The object is staying still.
46.
Calculate the speed of the object using this graph.
a)
Speed = 5 m/s
b)
Speed = 50 m/s
c)
Speed = 2 m/s
d)
Speed = 3 m/s
47.
Calculate the speed of object A.
a)
2 m/s
b)
.5 m/s
c)
3 m/s
d)
6 m/s
48.
Calculate the speed of object B.
a)
6 m/s
b)
2 m/s
c)
1 m/s
d)
4 m/s
49.
In this position vs time graph, describe the object's motion between 3 and 4 seconds.
a)
Stopped
b)
Slowing down
c)
Constant speed
d)
Speeding up
50.
In this position vs time graph, describe the object's motion between 1 and 3 seconds.
a)
Stopped
b)
Slowing down
c)
Constant speed
d)
Speeding up
51.

Define linear motion?

a)

Motion for a car

b)

Motion in a straight line

c)

Motion which is not straight

d)

Motion of a wind

52.

Give one example for non-linear motion

a)

A moving escalator

b)

Snake sleeping

c)

A 100m race track

d)

Ice skating

53.

"Motion of unequal distance in equal time interval"


This is definition for?

a)

Cycling Motion

b)

Non-Uniform Motion

c)

Flying Motion

d)

Uniform Motion

54.

Distance is a _____________ quantity

a)

vector

b)

weight

c)

scalar

d)

mass

55.

Distance is a ______________

a)

time taken to complete the journey

b)

total velocity archieve

c)

length measured in specific direction

d)

total path taken for the whole journey

56.

"rate of change of displacement"


This is definition for ?

a)

Displacement

b)

Velocity

c)

Acceleration

d)

Distance

57.

Deceleration is define as _______________________

a)

increase of speed or velocity

b)

time taken for the journey

c)

decrease of speed or velocity

d)

total length measured

58.

"rate of change of speed or velocity"


This is definition for ?

a)

acceleration

b)

distance

c)

deceleration

d)

displacement

59.

Here a examples for non linear motion except

a)

snake movement

b)

roller coaster

c)

moving escalator

d)

spinning top

60.

Give example for uniform motion

a)

A bouncing ball

b)

A horse running in a race

c)

Movement of needle clock

d)

Ice skate