Friction Quiz

Friction Quiz

9th Grade

10 Qs

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Friction Quiz

Friction Quiz

Assessment

Quiz

Physics

9th Grade

Practice Problem

Easy

Created by

Mr. Ranieri

Used 8+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Which vector diagram best represents a cart slowing down as it travels to the right on a horizontal surface?

1

2

3

4

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A car’s performance is tested on various horizontal road surfaces. The brakes are applied, causing the rubber tires of the car to slide along the road without rolling. The tires encounter the greatest force of friction to stop the car on:

dry concrete

dry asphalt

wet concrete

wet asphalt

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When a 12-newton horizontal force is applied to a box on a horizontal tabletop, the box remains at rest. The force of static friction acting on the box is:

1.0 N

between 0 N and 12 N

12 N

greater than 12 N

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A box is pushed toward the right across a classroom floor. The force of friction on the box is directed to ward the:

left

right

ceiling

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

A skier on waxed skis is pulled at constant speed across level snow by a horizontal force of 39 newtons. Calculate the normal force exerted on the skier.

981 N

39 N

279 N

780 N

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the magnitude of the force needed to keep a 60-newton rubber block moving across level, dry as phalt in a straight line at a constant speed of 2 meters per second?

40 N

51 N

60 N

120 N

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The force required to start an object sliding across a uniform horizontal surface is larger than the force required to keep the object sliding at a constant velocity. The magnitudes of the required forces are different in these situations because the force of kinetic friction:

is greater than the force of static friction

is less than the force of static friction

increases as the speed of the object relative to the surface increases

decreases as the speed of the object relative to the surface increases

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