Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
![**Learning Goal:**
To practice Tactics Box 5.2: Working with objects in contact.
**Problem Statement:**
A 1200-kg car pushes a 2100-kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N. What is the magnitude of the force the car applies to the truck?
**Assess:**
Determine whether your answer is reasonable.
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**Part H:**
**Question:**
What is the acceleration \( a_t \) of the truck?
**Instruction:**
Express your answer in meters per second squared to two significant figures.
**User Input Section:**
\[ a_t = \]
User inputs: `2.1`
Units: `m/s^2`
**Submission System Response:**
\[ \text{Incorrect; Try Again; 3 attempts remaining} \]
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**Miscellaneous:**
Option to "Provide Feedback".
**Publisher:**
Pearson](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F45088ba1-a1a3-4a96-b462-54f2c0a5a29e%2F19fe66b8-a930-461c-936f-ce91643b9e37%2Fyjg186i_processed.png&w=3840&q=75)
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