Mechanical Systems

Mechanical Systems

8th Grade

25 Qs

quiz-placeholder

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Mechanical Systems

Mechanical Systems

Assessment

Quiz

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS2-1, MS-PS2-2, MS-ETS1-1

+7

Standards-aligned

Created by

Lisa Thompson

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary characteristic of torsion force?

Twisting

Compressing

Pulling

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The 6 simple machines are...

Lever, nail, screw, pulley, wedge, wheel & axle

Hammer, inclined plane, screw, pulley, nail, wheel & axle

Lever, inclined plane, screw, pulley, wedge, wheel & axle

Inclined plane, diamond, pulley, wedge, metal, wheel & axle

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mechanical advantage of a machine is the amount by which a machine can multiply a force.

True

False

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The formula for finding the mechanical advantage is...

Input / output

output / input

speed / height

angle / speed

5.

DROPDOWN QUESTION

1 min • 1 pt

The gear is a ​ (a)   with elements of the lever in both the tooth-to-tooth interaction between the gear teeth & the transmission of power from one wheel to another as in a wheel & axle.

compound machine

simple machine

6.

DROPDOWN QUESTION

1 min • 2 pts

Gears are used to transfer ​ (a)   from one shaft to another to change the direction of rotation and ​ (b)   .

power

speed

force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

7.

DROPDOWN QUESTION

1 min • 1 pt

Gear wheel combinations of different diameters are used to ​ ​ (a)  

increase or decrease speed.

change the direction of a force.

Tags

NGSS.MS-ETS1-1

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