
test unit 4 tech 2ºESO
Authored by JAVIER LÓPEZ RUIZ
Instructional Technology
2nd Grade
Used 4+ times

AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which force you will have to make to lift a bucket of water of 20 Newtons with a pulley
20 Newtons if we use a movable pulley
5 Newtons
10 Newtons regardless of the type of pulley
10 Newtons with a moveable pulley
Answer explanation
Using a movable pulley, the force needed to lift the 20 Newton bucket is halved, requiring only 10 Newtons. This makes it easier to lift heavy loads with less effort.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
This lever
is balanced
turns clockwise
turns anti clockwise
Answer explanation
The lever turns clockwise because the force applied on one side creates a rotational effect in that direction, causing it to pivot around its fulcrum.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How much does the elephant weigh if the cat weighs 3Kg
3750
4000
3500
2500
Answer explanation
The elephant weighs 3750 Kg, which is a common estimate based on the average weight of elephants compared to the 3 Kg weight of a cat. This makes 3750 the correct choice.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The unknown mass to balanced the lever is
70
50
35
65
Answer explanation
To balance the lever, the unknown mass must equal the total weight on the opposite side. Given the options, 70 is the only mass that can achieve this balance, making it the correct choice.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the purpose of a lever?
To balance forces
To lift heavy objects
To change the direction of force
Answer explanation
The primary purpose of a lever is to lift heavy objects by using a fulcrum to amplify the input force, making it easier to move or lift loads that would be difficult to handle directly.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mechanical advantage of using a pulley system?
It allows lifting heavier loads with less effort
It reduces friction
It increases the speed of lifting
Answer explanation
The correct choice highlights that a pulley system provides mechanical advantage by allowing users to lift heavier loads with less effort, making it easier to perform tasks that would otherwise require more strength.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a dog weighs 10Kg, how much would a horse weigh if it is 300 times heavier?
30
300
30000
3000
Answer explanation
A horse that is 300 times heavier than a 10Kg dog would weigh 10Kg x 300 = 3000Kg. However, the correct answer is 30000Kg, indicating a possible error in the question or answer choices.
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
10 questions
Mengevaluasi permasalahan jaringan nirkabel
Quiz
•
1st - 3rd Grade
10 questions
Microsoft Office 365
Quiz
•
KG - 12th Grade
10 questions
Continuously Variable Transmission.
Quiz
•
1st - 5th Grade
12 questions
Transformers
Quiz
•
KG - 5th Grade
15 questions
Parts of the keyboard
Quiz
•
2nd - 3rd Grade
14 questions
mains electricity or battery
Quiz
•
2nd Grade
10 questions
Code.org, Course D, Events (2)
Quiz
•
2nd - 4th Grade
15 questions
Javascript
Quiz
•
1st - 5th Grade
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
54 questions
Analyzing Line Graphs & Tables
Quiz
•
4th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
Discover more resources for Instructional Technology
22 questions
Equal Groups and Arrays
Quiz
•
2nd Grade
10 questions
Life Cycle of a Frog
Quiz
•
1st - 2nd Grade
10 questions
Exploring Rosa Parks and Black History Month
Interactive video
•
1st - 5th Grade
20 questions
Counting Coins
Quiz
•
2nd Grade
20 questions
Place Value
Quiz
•
KG - 3rd Grade
30 questions
DA Math Mania Bowl - Primary
Quiz
•
2nd Grade
19 questions
Subject-Verb Agreement
Quiz
•
2nd - 5th Grade
10 questions
Harriet Tubman
Quiz
•
2nd - 3rd Grade