Torque and Angular momentum and energy

Torque and Angular momentum and energy

9th - 12th Grade

10 Qs

quiz-placeholder

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Torque and Angular momentum and energy

Torque and Angular momentum and energy

Assessment

Quiz

Physics

9th - 12th Grade

Easy

NGSS
HS-PS2-1, HS-PS3-1, HS-PS3-3

Standards-aligned

Created by

Sharon Padilla

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A wrench is used to tighten a nut. A 15N perpendicular force is applied 50cm away from the axis of rotation, and moves a distance of 10 cm as it turns. What is the torque applied to the wrench?

7.5 Nm
1.5 Nm
750 Nm
150 Nm

Tags

NGSS.HS-PS2-1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Does a bridge anchored resting on two pillars have any torque?

No, it isn't moving
Yes, but it is at equilibrium
Yes, but it will soon break because of the torque
No, Bridges can't have torque

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The figure above shows a uniform meterstick that is set on a fulcrum at its center. A force of magnitude F toward the bottom of the page is exerted on the meterstick at the position shown. At which of the labeled positions must an upward force of magnitude 2F be exerted on the meterstick to keep the meterstick in equilibrium?

A

B

C

D

Tags

NGSS.HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A flywheel's diameter is twice that of another of the same shape and mass. Roational inertia of the larger flywheel is

two times greater

four times greater

the same as the other

half that of the other

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to her angular velocity when a figure skater brings in her arms?

Increases her angular velocity
Decreases her angular velocity
Has no affect

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

As shown in the figure, a given force is applied to a rod in several different ways. In which case is the torque about the pivot P due to this force the greatest?

1
2
3
4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A person sits on a freely spinning lab stool that has no friction in its axle. When this person extends her arms,

her moment of inertia increases and her angular speed decreases.
her moment of inertia decreases and her angular speed increases.
her moment of inertia increases and her angular speed increases.
her moment of inertia increases and her angular speed remains the same.

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