first term - first unit test - 3rd prep

1
The concept of the body movement means..........
2
For a car moves at a regular speed, the ratio d/t...........
3
All of the following are scalar quantities except..........
4
The two factors which can be used to describe the motion of a body are the..........
5
From the examples of the scalar physical quantities are..........
6
Speed equals.......
7
From the examples of the scalar quantities is the..........
8
If the body moves from rest at a uniform acceleration, so its final speed is determined from the relation..........
9
When a moving object covers equal distances in equal periods of time. this means that the body moves with...........
10
When an object speed increases, the movement is described as........
11
......... is a vector quantity measured in m/sec.
12
If the uniform speed of a car is 72 km/h so. its speed (in m/s) equals..........
13
The object moves at a constant uniform speed, this means that..........
14
Displacement is a.........
15
A car moves at a regular speed equals 90 km/h, this means that the car covers a distance equals......... metres in 40 sec.
16
Acceleration measurement unit is...........
17
A body moved a distance of 20 metres in a straight line in the same direction so, the amount of its displacement is.........
18
speed equals 2 m/s. Which of the following equals the distance between his home and the school?..........
19
The ratio between the final speed and the initial speed of an object moving in a straight line in a decelerating motion (a negative acceleration) is ...........
20
Measurement unit of velocity is.............
21
A runner ran the 1st 100 metres of a race in 8 seconds and the 2nd 100 metres in 12 seconds therefore, his average speed during the whole race is.........
22
The plane which flies against the wind direction........ than that which flies in the same direction of wind.
23
If the relative speed of a car is 50 km/h relative to an observer in a bus moves obs. in the same direction at 70 km/h, therefore the actual speed of this car is........
24
When car (A) covers the same distance as car (B) at the same time, this means that...........
25
(Distance-time) graph for a regular motion at a constant speed is a...........
26
The scalar quantity is identified by its...........
27
When car (A) covers smaller distance than car (B) at the same time span, therefore...........
28
To determine the length, mass and time, we must know.........
29
The distance covered by a moving body through a unit time is called the......... of the object.
30
Which of the following physical quantities are considered as scalars only?..........
31
Speed measurement unit is...........
32
.......... is the physical quantity that both its magnitude and direction are necessary for identifying it.
33
The uniform acceleration means that the object speed......... by equal values through equal periods of time.
34
If the speedometer of a moving car points to 90 km/h, therefore after two hours the car covers..........
35
Acceleration is a...........
36
A car moves at a speed 30 m/sec., then its speed changes to 60 m/sec. after three seconds so, the acceleration at which the car moves is.........
37
When the body covers equal distances at unequal intervals of time, this means that the body moves at.......
38
If a boat starts to move from rest till its speed becomes 2.5 m/sec. through 0.5 sec. so, the acceleration of the moving boat is..........
39
The distance that is covered by a body in a certain direction is called.........
40
In case of motion that is described as movement at irregular speed, in this case, it is useful to refer to another term which is the........ speed.
41
The ratio between the final speed and the initial speed of an object moves at an accelerating motion is...........
42
........... is considered from the fastest wild animals.
43
A car moving on a straight line covers a total distance (d) in a total time (t), the average speed of the car is given by........
44
Movement is at a uniform acceleration...........
45
The average velocity is determined by the relation.........
46
The speed of a moving object relative to an observer in another moving object is called ......... speed.
47
Decelerating motion means the........
48
The shortest length covered by the object in a fixed direction is called........
49
Acceleration is the.........
50
If car (A) moves at speed 80 km/h and car (B) moves at speed of 50 km/h in the same direction, the speed of car (A) relative to a passenger in car (B) is ........... km/h.