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Mechanics Basics: Kinematics and Dynamics

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Questions and Answers

What branch of physics deals with the study of motion of bodies without the influence of force?

Physics
Dynamics
Mechanics
Kinematics (correct)

What is the term for the study of motion of objects?

Mechanics (correct)
Physics
Dynamics
Kinematics

What is the state of a body that does not change its position with respect to its surroundings?

Translatory motion
State of rest (correct)
State of motion
Rotatory motion

What type of motion is characterized by every particle of a body having exactly the same motion?

Translatory motion (D) Signup and view all the answers

What is an example of linear motion?

A freely falling body (D) Signup and view all the answers

What is an example of circular motion?

A stone attached to a thread (D) Signup and view all the answers

What is an example of rotational motion?

The hands of a clock (A) Signup and view all the answers

Why are motion and rest considered relative terms?

Because they depend on the observer's frame of reference (B) Signup and view all the answers

What is an example of vibratory motion?

A swinging cradle (D) Signup and view all the answers

Can a body be considered completely at rest?

No, because it is always moving with the Earth and the universe (B) Signup and view all the answers

Why does the state of motion of a body depend on the observer?

Because the observer's frame of reference determines the state of motion (A) Signup and view all the answers

What is the reason why the concept of absolute rest is not attainable?

Because the universe is in motion (A) Signup and view all the answers

What is the SI unit of temperature?

Kelvin (D) Signup and view all the answers

What is the purpose of scientific notation?

To write very small and very large numbers in powers of ten (D) Signup and view all the answers

What is the derived unit of area?

m^2 (A) Signup and view all the answers

What is the prefix for 1x10-6?

micro (C) Signup and view all the answers

What is the branch of physics that deals with Quantum Mechanics and Atomic and Nuclear Physics?

Modern Physics (D) Signup and view all the answers

What are the three things required to define a quantity in Physics?

A number, a unit, and a direction (B) Signup and view all the answers

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