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Q 1/50
Score 0
Which of the following describes a force?
30
A push only
A pull only
A push or pull or both
Q 2/50
Score 0
What is the unit of force in metric system?
30
Newtons
Calorie
Joules
50 questions
Q.
Which of the following describes a force?
1
30 sec
Q.
What is the unit of force in metric system?
2
30 sec
Q.
How do forces occur?
3
30 sec
Q.
A 500 N lady sits on the floor. How much force the floor exerts on her?
4
30 sec
Q.
Which force always pulls the objects to the ground?
5
30 sec
Q.
What refers to how large or strong is the force?
6
30 sec
Q.
Two people pull on a rope in a tug-of-war. Each pull with a 300 N force. What is the net force?
7
30 sec
Q.
Who formulated the Three Laws of Motion?
8
30 sec
Q.
Which has the greatest inertia?
9
30 sec
Q.
All of the following apply the third law of motion EXCEPT?
10
30 sec
Q.
Which of these vehicles moving at the same velocity is difficult to stop?
11
30 sec
Q.
What Newton’s Law of Motion requires the use of seatbelt in cars?
12
30 sec
Q.
For every_____ there is an equal and opposite_____.
13
30 sec
Q.
Kinetic energy is the energy an object possessed due to its_________.
14
30 sec
Q.
Potential energy is the energy of an object based on its _______.
15
30 sec
Q.
Which of the following pairs of quantities are the factors that affect kinetic energy?
16
30 sec
Q.
The following applies the concept of potential energy EXCEPT:
17
30 sec
Q.
Where does a car on a hill have the greatest potential energy?
18
30 sec
Q.
What will happen to the kinetic energy of an object if its mass is doubled but the velocity remains the same?
19
30 sec
Q.
An echo occurs when a sound wave is _________.
20
30 sec
Q.
Which phenomenon explains why sound is heard at longer distances at night than in day?
21
30 sec
Q.
Ships use echolocation to measure the_______.
22
30 sec
Q.
Which of the following is true about the effect of air temperature on the speed of sound?
23
30 sec
Q.
When the direction of a wave changes as it passes from one medium to another, it is called_______.
24
30 sec
Q.
When a boy yells his name inside a cave, the sound reflects off the walls of the cave and travels back to his ears. What do you call the reflected sound?
25
30 sec
Q.
Which has the least energy among the colors of a rainbow?
26
30 sec
Q.
Niña sent an arrow beam of white light through a prism. As a result, she observed the light dispersing into_____colors.
27
30 sec
Q.
Violet is bent most among the seven colors because it has the _________.
28
30 sec
Q.
Which of the following can separate white light into seven colors?
29
30 sec
Q.
What refers to the bending of light as it passes from one medium into another?
30
30 sec
Q.
What refers to the splitting of white light into seven different colors?
31
30 sec
Q.
Which of these refers to the hotness and coldness of the body?
32
30 sec
Q.
Who introduced the absolute temperature scale?
33
30 sec
Q.
Which expands the greatest when heated at the same temperature?
34
30 sec
Q.
The normal body temperature is 370C. What is this in Fahrenheit?
35
30 sec
Q.
Which of the following is NOT a unit of temperature?
36
30 sec
Q.
Why does liquid in the thermometer rise when put in hot water?
37
30 sec
Q.
Which of the following statements is correct about the relationship of voltage and current?
38
30 sec
Q.
Calculate the voltage if the current passing through the wire is 3 A, and has a resistance of 10 ohms.
39
30 sec
Q.
Ampere is a unit of what electrical quantity.
40
30 sec
Q.
It is the opposition to the flow of electric charges as they travel through a conducting wire.
41
30 sec
Q.
It is a difference in electric potential energy in joule / coulomb.
42
30 sec
Q.
The following are disadvantages of a series circuit EXCEPT:
43
30 sec
Q.
The following are advantages of a parallel circuit EXCEPT:
44
30 sec
Q.
The following are advantages of a series circuit EXCEPT:
45
30 sec
Q.
Which of the following is connected in series with the load at home?
46
30 sec
Q.
The following are connected in parallel circuit at home EXCEPT:
47
30 sec
Q.
Why are octopus connections fire hazards?
48
30 sec
Q.
Why are fuses and circuit breakers used in circuits?
49
30 sec
Q.
Your fuse at home has “blown” up many times. Which of the following will you do to solve this problem and prevent it from happening again?
