HW3.3 Friction

HW3.3 Friction

University

13 Qs

quiz-placeholder

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HW3.3 Friction

HW3.3 Friction

Assessment

Quiz

Physics

University

Medium

Created by

Kaye Pickett

Used 10+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Friction is a force that acts in an ___________ direction of movement.
similar
opposite
parallel
west

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image
How can friction be reduced?
reduce the force acting between the 2 surfaces
reduce the roughness of the 2 surfaces coming in contact
use wax, grease or oil
all of the above are ways of reducing friction

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Rougher surfaces have ...
greater friction
less friction
the same level of friction

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

FN=100N, Ff=20N

μ=5.0

μ=0.2

μ=1.2

μ=0.1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N? 
0.78
0.51
0.78 N
0.58 N

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 What is the force of friction between a block of ice that weighs 950 N and the ground if μ = .12? 
65 N
226 N
175 N
114 N

7.

MATH RESPONSE QUESTION

2 mins • 1 pt

An 19.6N force pushes on a 4.0kg box horizontally on a table and accelerates the box at 1m/s2. What is the coefficient of friction between the box and the table?

Round to ONE decimal place.

Do NOT write units.

Mathematical Equivalence

ON

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