# Q3 Wk 1

## Quiz by Mary Rose Bautista Caguillo

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10 questions
• Q1
The ball rolled on the grassy surface of the park and suddenly stop. How does friction affect the motion of the ball?
Friction opposes the direction of the ball to change its direction.
Friction decreases the time of the ball to take farther distance.
Friction affects the ability of the ball to take more rolling.
Friction slows down the rolling of the ball and prevents the ball to move farther.
30s
• Q2
Which of the following is true. I. Friction slows down the a moving object. II. Smooth surface has more friction. III. Objects moves slowly on the rough surface. IV. Friction is not present in a smooth surface
I, IV
I, III , IV.
II, III
I, III
30s
• Q3
How is brake useful?
It uses friction to make vehicle to move faster.
It uses friction to move the vehicle in any direction.
It uses friction to slow down a moving vehicle
It uses friction to move the vehicle safely.
30s
• Q4
The rougher the surface the greater the friction. Which of this example will support the above statement.
Between the jagged sole of shoes and the carpet
Between the tile floor and slipper
Between the rolling skates and the icy surface of the ground
Between the rolling ball and the football field
30s
• Q5
How does friction become so useful during the prehistoric time.
Friction is useful in washing clothes.
Friction becomes so useful in handling materials.
Friction becomes so use in storing materials.
Friction becomes so useful in creating fire.
30s
• Q6
The road sign says “Slippery when wet”. To avoid accident, what will the driver do?
Increase the cars’ speed so as to increase friction between the surfaces of tires and road
Increase the cars’ speed so as to decrease friction between the surfaces of tires and road
Slows down the cars speed so as increase friction between the surfaces of tires and road
Slows the cars’ speed so as to decrease friction between the surfaces of tires and road
30s
• Q7
Which of the following is the easiest way to move the refrigerator from one place of your house to another?
Through pushing and pulling
Through the use of lubricants
Through the use of oil or grease
Through the use of wheels or rollers
30s
• Q8
Which of the following shows that the lesser the friction the useful it is?
Using brakes on the cars
Using jagged surface for a ballet dancer
When applying wax on the stairways
Using lubricants on machines and robots
30s
• Q9
Rusty screws are difficult to remove. What will you do to remove it?
use rollers
use lubricants
use wheels
use wax
30s
• Q10
The court where you are about to play basketball is wet? What will you do and why?
Wear jagged sole type of rubber shoes so that friction between shoes and court will increase and to avoid accident.
Dry up the court using the floor mop or damp cloth to avoid slipping and accidents when playing
Wait for some time that the court will dry up so that you will enjoy the game.
Wear protective gears so that even if when slipping occur in players they can still continue the game.
30s

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