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Moments and Centre of Mass

Authored by Alison Gamble

Physics

9th - 11th Grade

NGSS covered

Used 67+ times

Moments and Centre of Mass
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22 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the anticlockwise moment acting on this crane?

80,000Nm
100,000Nm
120,000Nm
140,000Nm

Tags

NGSS.HS-PS2-1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The SI Unit of force is the .....

Metre

Centimetre

Newton

Pascal

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the moment acting on the seesaw?

1.6Nm
15Nm
16N
4Nm

Tags

NGSS.HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

What is the moment produced by the 15 N?

15 Nm (clockwise)
150 Nm (anti - clockwise)
1.5 Nm (anti - clockwise)
0.15 Nm (clockwise)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A seesaw is unbalanced with two people of different masses sitting equal distances from the centre. Which of the following will result in equilibrium?

The larger person moving further away from the centre.

Moving the smaller person closer to the centre.

Moving the smaller person further from the centre.

Making the larger person do nothing.

Tags

NGSS.HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The easiest way to open a heavy door is by applying the force.....

Near the hinges

In the middle of the door

At the edge of the door far from the hinges

At the top of the door

Tags

NGSS.HS-PS2-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Two masses of mass 10.0 kg and 6.0 kg are hung from massless strings at the end of a light rod. The rod is virtually weightless. A pivot (fulcrum) is placed off centre and the system is free to rotate. If the 6.0 kg mass is 4.0 m away from the pivot, how far away is the 10.0 kg mass if the system is not rotating?

0.42 m

2.4 m

4.8 m

4.2 m

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