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Exams & Certifications

8th Grade Mechanics Quizzes, Questions & Answers

Recent Mechanics Quizzes

Microgravity Questions: Trivia Quiz!

Questions: 10 | Attempts: 116 | Last updated: Mar 16, 2025

Sample Question
What is Microgravity?

A really really really really tiny piece of gravity

An environment where weight is a lot less than what it would be in regular gravity

Too tiny to know the answer

No gravity at all.

Newton's Second Law Review

Questions: 21 | Attempts: 189 | Last updated: Mar 22, 2025

Sample Question
Which equation below represents the mathematical expression of Newton's second law of motion?

F = m x a

F = m/a

F x m = a

F x a = m

Physical Science Unit 5 Review

Questions: 10 | Attempts: 216 | Last updated: May 8, 2025

Sample Question
A 250N force moves a box 2.0m. How much Work was done?

500J

125J

500cal

125cal

Work, Power and Machines Trivia Quiz!

Questions: 20 | Attempts: 276 | Last updated: Mar 20, 2025

Sample Question
Kinetic and potential energy increase when you lift something in the air.

True

False

8th Science Benchmark Hms 2015-16 Final

Questions: 51 | Attempts: 318 | Last updated: May 8, 2025

Sample Question

Option D

Option A

Option B

Option C

Grile Materiale

Questions: 205 | Attempts: 2922 | Last updated: Mar 21, 2025

Sample Question
1. Cantitatea de substanţă existentă într-un corp determina:

A) masa corpului;

B) greutatea corpului;

C) volumul real al corpului;

D) volumul aparent al corpului;

E) volumul în grămadă.

Exam 3 Physics Numbers 21-25

Questions: 5 | Attempts: 59 | Last updated: Jun 2, 2025

Sample Question
21. Which are simultaneous equal but opposite forces resulting from the interaction of two objects?

A. net external forces

B. gravitational forces

C. field forces

D. action-reaction pairs

Exam 3 Target 8 Retake Preap

Questions: 5 | Attempts: 63 | Last updated: Jun 19, 2025

Sample Question
The mass of a bowling ball is 3 times the mass of a bowling pin. When the ball collides with the pin, it exerts a force of 24 N on the pin. What is the reaction force the pin exerts on the ball?

A. 72 N

B. 24 N

C. 8.0 N

D. 6.0 N

Exam 3 Target 6 Retake Preap

Questions: 5 | Attempts: 95 | Last updated: Aug 18, 2025

Sample Question
Which statement about the acceleration of an object is correct?

A. The acceleration of an object is inversely proportional to the net external force acting on the object and inversely proportional to the mass of the object.

B. The acceleration of an object is directly proportional to the net external force acting on the object and inversely proportional to the mass of the object.

C. The acceleration of an object is directly proportional to the net external force acting on the object and directly proportional to the mass of the object.

d. The acceleration of an object is inversely proportional to the net external force acting on the object and directly proportional to the mass of the object.

Torque and Simple Machines

Questions: 8 | Attempts: 315 | Last updated: Mar 15, 2025

Sample Question
Question 1

A

B

C

D

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