Introduction to Forces

Question 1

Even though forces are acting on this box, it remains at rest on the table. Which force is represented by vector A?

Revolt · Accepted Answer

static friction

Question 2

What is the magnitude and direction (right or left) of the net force acting on the box?

Revolt · Accepted Answer

12; right

Question 3

Question 3

Revolt · Accepted Answer

right

Question 4

Simone is walking her dog on a leash. The dog is pulling with a force of 32 N to the right and Simone is pulling backward with a force of 16 N. What is the net force on them? N Is this force balanced or unbalanced? Will the dog move forward, backward, or remain stationary?

Revolt · Accepted Answer

Part 1: 16; Part 2: unbalanced; Part 3: forward

Question 5

Which statements describe the book and the forces acting on it? Check all that apply.

Revolt · Accepted Answer

The forces are unbalanced.; The net force is to the right.; The book is moving to the right.

Question 6

Consider a sign suspended on a boom that is supported by a cable, as shown. What is the proper equation to use for finding the net force in the y direction?

Revolt · Accepted Answer

Fnety = (FT)(sin 32°) – Fg

Question 7

A box is at rest on an inclined surface. Which diagram correctly illustrates all forces, including any component forces? Assume the x-axis is parallel to the surface.

Revolt · Accepted Answer

[Image: A box on a 20 degree incline is shown with vectors...]

Question 8

A box at rest on a ramp is in equilibrium, as shown.

Revolt · Accepted Answer

251; 691

Introduction to Forces Answers

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