Lesson 1: 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? N to the

Revolt · Accepted Answer

Part 1: 12; Part 2: right

Question 3

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 4

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 5

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 6

A box at rest on a ramp is in equilibrium, as shown. What is the force of static friction acting on the box? Round your answer to the nearest whole number. N What is the normal force acting on the box? Round your answer to the nearest whole number. N

Revolt · Accepted Answer

Part 1: 251; Part 2: 691

Lesson 1: Introduction to Forces Answers

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