Unit 7: Rotational Kinematics

Unit 7: Rotational Kinematics

9th - 12th Grade

46 Qs

quiz-placeholder

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Unit 7: Rotational Kinematics

Unit 7: Rotational Kinematics

Assessment

Quiz

Physics

9th - 12th Grade

Hard

NGSS
HS-PS2-1, HS-PS2-2, MS-PS2-2

+1

Standards-aligned

Created by

ALLISON MINTEER

Used 3+ times

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46 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which has greater angular speed, a horse near the outside rail of a merry-go-round or a horse near the inside rail?

The inside horse
The outside horse
Neither - they both have the same angular speed

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A fan spins with a constant angular speed of 500 radians/second. How long will it take to cover an angle of 2π radians (one revolution)?

0.013 s

0.002 s

76.9 s

6.28 s

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

You apply force to a wrench to tighten a bolt. The wrench breaks in half. Select the best answer for what happens next. Assume the force applied remains constant.

The torque is now half of what it was, because torque and distance are inversely proportional
The torque is now half of what it was, because torque and distance are directly proportional
The torque is now double of what it was, because torque and distance are inversely proportional
The torque is now double of what it was, because torque and distance are directly proportional

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A disk initially rotating counterclockwise (CCW) at a certain constant angular speed is suddenly being pulled on by two strings T1 and T2, where T2 > T1. What is going to happen next?

The disk will continued rotating CCW at the constant angular speed.

The disk will continued rotating CCW but it will speed up

The disk will slow down and start rotating CW

The disk will eventually stop rotating

Tags

NGSS.HS-PS2-1

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How do you find the tangential speed of a rotating circle?

v = ωr
v = ωr2
v = ωπ
v = ωπr

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How do you get the maximum torque?

longer lever arm and more force at an acute angle
shorter lever arm with more force perpendicularly
shorter lever arm and more force perpendicularly
longer lever arm with more force perpendicularly

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Looking at the picture, which way will it rotate?

Clockwise
Counter clockwise
Neither

Tags

NGSS.HS-PS2-1

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