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Final Review

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What is the name of the online tool used for 3D design and modeling mentioned in the prompt?

a)

Tinkercad

b)

Photoshop

c)

Excel

d)

Word

2.

Which law states that an object at rest will stay at rest unless acted upon by an external force?

a)

Newton's First Law

b)

Newton's Second Law

c)

Newton's Third Law

d)

Law of Gravity

3.

What is the formula to calculate force?

a)

F=m×aF = m \times a

b)

F=m+aF = m + a

c)

F=m/aF = m / a

d)

F=a−mF = a - m

4.

Which step comes first in the design process?

a)

Define the problem

b)

Test the prototype

c)

Build a prototype

d)

Communicate results

5.

What does Tinkercad mainly help users to create?

a)

3D models

b)

Spreadsheets

c)

Videos

d)

Music

6.

Newton's Third Law is often stated as:

a)

For every action, there is an equal and opposite reaction

b)

Objects in motion stay in motion

c)

Force equals mass times acceleration

d)

Energy cannot be created or destroyed

7.

If a ball has a mass of 2 kg and is accelerated at 3 m/s23 \, m/s^2 , what is the force applied?

a)

6 N6 \, N

b)

5 N5 \, N

c)

1.5 N1.5 \, N

d)

0.67 N0.67 \, N

8.

Which of the following is NOT a step in the design process?

a)

Brainstorm solutions

b)

Ignore feedback

c)

Test the prototype

d)

Communicate results

9.

What is the SI unit of force?

a)

Newton

b)

Joule

c)

Watt

d)

Meter

10.

Which Newton's Law explains why you move backward when you jump off a small boat onto a dock?

a)

Third Law

b)

First Law

c)

Second Law

d)

Law of Conservation of Energy

11.

If you want to make a 3D model of a car in Tinkercad, which tool would you use to combine shapes?

a)

Group

b)

Eraser

c)

Paint

d)

Text

12.

You are given a problem to design a bridge. What is the next step after defining the problem in the design process?

a)

Brainstorm possible solutions

b)

Build the bridge

c)

Test the bridge

d)

Communicate results

13.

A toy car has a mass of 0.5 kg0.5 \, kg and accelerates at 4 m/s24 \, m/s^2 . What is the force acting on it?

a)

2 N2 \, N

b)

4.5 N4.5 \, N

c)

0.125 N0.125 \, N

d)

8 N8 \, N

14.

Which feature in Tinkercad allows you to align multiple objects along the same axis?

a)

Align

b)

Rotate

c)

Scribble

d)

Export

15.

If you want to test if your design works as intended, which step of the design process are you in?

a)

Test the prototype

b)

Define the problem

c)

Brainstorm solutions

d)

Communicate results

16.

A force of 10 N10 \, N is applied to a 2 kg2 \, kg object. What is its acceleration?

a)

5 m/s25 \, m/s^2

b)

20 m/s220 \, m/s^2

c)

0.2 m/s20.2 \, m/s^2

d)

8 m/s28 \, m/s^2

17.

Which of the following best describes Newton's Second Law?

a)

The acceleration of an object depends on the mass and the force applied

b)

Objects at rest stay at rest

c)

For every action, there is an equal and opposite reaction

d)

Energy is always conserved

18.

You want to make a hole in a cube in Tinkercad. Which tool should you use?

a)

Hole

b)

Color

c)

Text

d)

Ruler

19.

If you double the mass of an object but keep the force the same, what happens to the acceleration?

a)

It is halved

b)

It doubles

c)

It stays the same

d)

It becomes zero

20.

Which step in the design process involves sharing your results with others?

a)

Communicate results

b)

Test the prototype

c)

Brainstorm solutions

d)

Build a prototype

21.

You are designing a model rocket in Tinkercad. You want it to fly higher. Which design change would most likely help?

a)

Reduce the mass of the rocket

b)

Make the rocket wider

c)

Add more color

d)

Use a smaller engine

22.

A student builds a car in Tinkercad and wants it to move faster. According to Newton's Second Law, which change would be most effective?

a)

Increase the force applied to the car

b)

Increase the mass of the car

c)

Decrease the force applied to the car

d)

Add more decorations

23.

You are testing a bridge model in Tinkercad. The bridge collapses under a certain weight. What should you do next in the design process?

a)

Redesign and improve the bridge based on test results

b)

Ignore the results and move on

c)

Communicate results immediately

d)

Start over with a new problem

24.

A box of mass 3 kg3 \, kg is pushed with a force of 12 N12 \, N . What is its acceleration? Show your reasoning.

a)

4 m/s24 \, m/s^2 because a=Fm=123a = \frac{F}{m} = \frac{12}{3}

b)

36 m/s236 \, m/s^2 because a=F×ma = F \times m

c)

0.25 m/s20.25 \, m/s^2 because a=m/Fa = m / F

d)

9 m/s29 \, m/s^2 because a=F+ma = F + m

25.

You are asked to design a toy car that moves the fastest using Tinkercad. Which combination of mass and force would you choose, and why?

a)

Low mass and high force, because this gives the greatest acceleration

b)

High mass and low force, because it is more stable

c)

High mass and high force, because mass is more important

d)

Low mass and low force, because it is easier to build

26.

A student uses Tinkercad to design a boat. The boat tips over when tested. What should the student do to improve the design?

a)

Change the shape to make it more stable

b)

Make the boat heavier

c)

Ignore the problem

d)

Add more color

27.

You are given a challenge to design a device that moves using Newton's Third Law. Which idea best uses this law?

a)

A balloon rocket that moves forward as air rushes out backward

b)

A car that sits still

c)

A box that is pushed and does not move

d)

A spinning top

28.

A student wants to test which material is best for building a bridge in Tinkercad. What is the best way to plan this test?

a)

Build several bridges using different materials and test how much weight each can hold

b)

Build one bridge and guess which material is best

c)

Use only the material that looks the best

d)

Ask a friend which material to use

29.

You are designing a car in Tinkercad and want to make it go farther when pushed. Which design change would help, and why?

a)

Reduce friction by making the wheels smoother, so the car can roll farther

b)

Make the car heavier, so it is harder to stop

c)

Add more decorations to the car

d)

Use smaller wheels, so it looks better

30.

A group of students is working on a design project using Tinkercad. They have built and tested their prototype. What should they do next to complete the design process?

a)

Communicate their results and explain what they learned

b)

Start a new project without sharing results

c)

Ignore the test results

d)

Only keep the results to themselves

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