Mid Test Physics,Senior 1 ( length dan time, calculating speed,acceleration, mass and weight dan density)

Num.
Topic
Question
Answer Key
Level Difficulty
1
Length and Time
The surface of  most liquids will bend up or down near the walls of the measuring cylinder. This bent shape is known as a….
a.      Meniscus
b.      Length
c.       Time
d.      Fiducial Mark
e.      Micrometer
A
Easy
2
Length and time
 The result of a measuring of volume of water  is 1000 cm3 = …… liter
a.      1000 l
b.      10000 l
c.       100000 l
d.      1  l
e.      100 l
D
Easy
3
Calculating Speed
The speed of an object can be calculated  by deviding…..
a.      Time per distance
b.      Distance per time
c.       Velocity per time
d.      Acceleration per distance
e.      Velocity per distance
B
Easy
4
Calculating speed
 What is the average speed of a taxi that travels 2000 metres in 40 seconds.?
a.      10 m/s
b.      20 m/s
c.       30 m/s
d.      40 m/s
e.      50 m/s
E
Medium
5
Acceleration
What is the acceleration of a bus that travels from 10 m/s to 30 m/s in 5 seconds?
a.      1 m/s2
b.      2 m/s2
c.       3 m/s2
d.      4 m/s2
e.      5 m/s2
D
Medium
6
Acceleration
A train accelerates from 180 km/h to 360 km/h in 10 seconds.What is the acceleration in  m/s2
a.      10 m/s2
b.      8 m/s2
c.       12 m/s2
d.      5  m/s2
e.      6 m/s2
D
Difficult
7
Mass and weight
The force on the object due to gravity known as…
a.      Mass
b.      Weight
c.       Speed
d.      Velocity
e.      Acceleration
B
Easy
8
Mass and weight
The weight of an astronot in earth is 800 N ( the earth’s gravitational  field is 10 m/s2.What is the weight of astronot if in Moon ( the gravitational field of moon is 1.6 N/kg)?
a.      130 N
b.      129 N
c.       128 N
d.      127 N
e.      126 N
C
Medium
9
Density
A measured of how squashed up and how dense of an object known as..
a.      Mass
b.      Volume
c.       Weight
d.      Density
e.      Speed
D
Easy
10
Density
A cube has 10 cm the length of edge and its weight is 10 N (the earth’s gravitational field is 10 m/s2). What is the density of the cube…
a.      5 g/cm3
b.      4 g/cm3
c.       3 g/cm3
d.      2 g/cm3
e.      1 g/cm3
E
Medium
11
Density of irregular object
The mass of a small metal statue is found tobe 60 gram. A measuring of cylinder is filled with water to the 54 cm3 in mark. The statue is lowered into the measuring cylinder and the water rises to the 60 cm3 mark. What is the density of metal?
a.      10 g/cm3
b.      20 g/cm3
c.       30 g/cm3
d.      40 g/cm3
e.      50 g/cm3
A
Difficult
12
Forces
The following statemants arenot true about force is…
a.      A force is a push or a pull
b.      A force can change the speed of an object
c.       A force can change the direction of movement of an object
d.      A force change the mass of an object
e.      A force can change the shape of an object
D
Medium
13
Adding forces
Six husky dogs are pulling a sledge. The slede is travelling to the right and each dog is pulling with a force of 10 N. There is friction force of 15 N that is trying to slow the sledge, ang therefore must be pointing to the left.What is the resultant force   and its directiom.
a.      65 N to the left
b.      55 N to the right
c.       45 N to the right
d.      35 N to the left
e.      25 N to the right
C
Medium
14
Hooke’s Law
The original length of spring is  2.4 metres. 10 kg  of  iron is hung to the spring and then, the length of spring  becomes 2.6 metres. What is the spring constant? ( the earth’s gravitational field is 10 m/s2)
a.      200 N/m
b.      300 N/m
c.       400 N/m
d.      500 N/m
e.      600 N/m
D
Difficult
15
Newton’s law
An object willnot move or will moving at a constant speed if the force doesnot work to the object. This statement according to..
a.      Hooke’s law
b.      Newton’s First law of motion
c.       Newton’s  second law motion
d.      Newton’s third law of motion
e.      Hooke’s law in action
B
Easy
16
Newton’s law
A car move with speed 20 m/s during 5 seconds. How much does the force work in car if the mass of car is 100 kg?
a.      100 N
b.      200 N
c.       300 N
d.      400 N
e.      500 N
D
Difficult
17
Energy
If the the spring is released or the load moves back to the ground ,the stored potential energy is transferred to the movement energy , which is called…..
a.      Work
b.      Potential energy
c.       Kinetic energy
d.      Chemical energy
e.      Nuclear  energy
C
medium
18
Work
A wood moves 5 m because of 10 N force works on to the wood. What is the work done on the wood?
a.      70 N
b.      60 N
c.       50 N
d.      40 N
e.      30 N
C
medium
19
Pressure
Where we have a large force  over a small area we have a…
a.      Medium pressure
b.      Low pressure
c.       Long pressure
d.      High pressure
e.      Weak pressure
D
easy
20
States of matter
There are three states of matter, they are..
a.      Metal, non-metal, liquid
b.      Liquid, metal, gas
c.       Liquid, solid, gas
d.      Solid, metal , gas
e.      Gas ,solid, non-metal
C
Medium
21
States of matter
The particles are moving in random way. This kind of particles movement known as…
a.      Newton’s motion
b.      Boyle’s motion
c.       Gaylussac’s motion
d.      Hooke’s motion
e.      Brownian motion
E
Medium
22
Transfer of thermal energy
Materials that allow thermal energy to transfer trough them quickly  are called..
a.      Thermal transfer
b.      Thermal conductors
c.       Thermal insulators
d.      Thermal energy
e.      Thermal heat
B
medium
23
General waves properties
The vibrations are at right angles to the direction of travel of the wave known as….
a.      Transverse wave
b.      Longitudinal wave
c.       Compression
d.      Wave
e.      Wavelength
A
medium
24
General wave properties
The number of complete waves that go past each second known as…
a.      wavelength
b.      amplitude
c.       speed
d.      frequency
e.      wavefront
D
Medium
25
Relationship between speed, frequency, and wavelength.
The bell makes sound waves with a frequency  of 200 Hz. The waves have a wavelength of 3 m. What  is the speed of the waves ?
a.      800 m/s
b.      700 m/s
c.       600 m/s
d.      500 m/s
e.      400 m/s
C
Medium


2. Fill in blanks
Num.
Topic
Question
Answer Key
Level of difficulty
1
General physics
The instrument that is used to measure very small distances  is….
Micrometre
Medium
2
Acceleration and deceleration
When the speedometer of a car displays 20m/s and then a few seconds later it displays 10 m/s, so the car is…
Deceleration
Medium
4
Speed and velocity
The distance of Pekan baru to Medan is  400 km. Jhon needs 5 hours to get Medan  from Pekan baru. So, what is the average speed of Jhon…
Average speed =  distance/time = 80 km/h
difficult
5
weight
What is the weight of 2 gram stone, if the earth’s gravitational field is 10 m/s2?
W= m.g = 2 . 10 = 20 N
medium
6
density
The mass per unit volume is…
Density
Easy
7
Newton’s second law of motion
A racing car slows down from 50 m/s to 20 m/s in 2 seconds. If the mass of car is 10 gram, what is the force worked when the car hit a wall?
F = m a
   = 10 gr  15 m/s2
   = 10 N
medium
8
Energy
What kind of energy the ball has, when it falls from the hill?
Potential Energy
Medium
9
Power
The formulation to to calculate the Power is..
 P = W/t or P = E/t
medium
10
work
What is the work that is needed to move a brick 12 m from  initial position with  3 N forces.?
W = F x d
     = 3 N  x 12 m
      = 36 Joule


Medium

3. Essay
Num
Topic
Question
Anwers key
Level of difficulty
1
acceleration
A racing car slows down from 50 m/s to 20 m/s in 5 seconds . Calculate its acceleration!
Acceleration (a) = change in speed (AV) per unit time (t)
a= 30/5 =6 m/s2
medium
2
Density of regular object shaped
 A brick has the dimensions  20 cm x 10 cm x 30 cm. if the weight of brick is 10 N ( the earth’s gravitational field is 10 m/s2). What is the density of brick?
-    Density = mass/ volume
-    Mass of brick = 10/10 = 1 kg
-    So, density
= 1000 gr/6000 cm3
= 0.16 gr/cm3
medium
3
Forces
Write down the effects of forces?
-          Can Change  the speed of an object
Can change the direction of movement of an object
-          Can change the shape of an object
medium
4
Forces
Six husky dogs are pulling a sledge. The slede is travelling to the right and each dog is pulling with a force of 20 N. There is friction force of 30 N that is trying to slow the sledge, ang therefore must be pointing to the left.What is the resultant force   and its direction

The total force to right is 6 x 20 = 120 N
The total force to the left is 30 N
The resultan force = 120 – 30 = 90 N to the right
difficult
5
Hooke’s law
When stone hangs down on a spring causing the spring has 5  cm the extension. If the constant of spring is 10 N/cm,what is the force worked  in the spring? ( the gravitationa field is 10 m/s2).
F = k x
   = 10 x 5
  = 50 N
medium


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