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Halloween Friction Practice

Authored by Ty Bush

Physics

11th Grade

NGSS covered

Used 1+ times

Halloween Friction Practice
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

A ghost exerts a 30 N horizontal force as it pulls a 40 N haunted sled across a spooky sidewalk at a constant speed. What is the coefficient of friction between the spooky sidewalk and the haunted sled?

0.5

0.75

0.25

0.1

2.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

What spooky force is needed to pull the haunted sled and ghostly friend at a constant speed if the combined weight of the ghostly friend and the haunted sled is 700 N and the coefficient of eerie friction is 0.11?

77 N

70 N

77.7 N

70.7 N

Tags

NGSS.HS-PS2-1

3.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

A witch uses a magical force of 25 N to slide a 15 kg enchanted crate across a haunted floor at a constant velocity. What is the coefficient of kinetic friction between the crate and the floor?

0.10

0.15

0.17

0.25

Tags

NGSS.HS-PS2-1

4.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

What is the weight of a pumpkin crate with a mass of 30 kg on a haunted hill?

300 N

294 N

294 kg

315 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

5.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

A haunted crate of mass 30 kg is pulled along a spooky kitchen floor. The static friction coefficient is 0.25 and the kinetic friction coefficient is 0.15. What force will be needed to start the crate moving?

A. 73.5 N

B. 75 N

C. 80 N

D. 85 N

Tags

NGSS.HS-PS2-1

6.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

What force is needed to keep a 30 kg pumpkin moving at a constant velocity if the coefficient of kinetic friction is .15?

44.1 N

12.6 N

73.5 N

30 N

Tags

NGSS.HS-PS2-1

7.

MULTIPLE CHOICE QUESTION

15 mins • 7 pts

Once moving, what total force must be applied to keep a 30 kg pumpkin accelerating at 5 m/s² on a haunted hill? The kinetic coefficient of friction is .15.

44.1 N

194.1 N

105.9 N

294 N

Tags

NGSS.HS-PS2-1

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