Significant Figures and Precision Quiz

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What factor did the proposal consider important in describing motion?

Distance

Time (correct)

Weight of the objects

External force

Which of the following best describes distance?

Change in position from starting point

Magnitude and direction

Total length traveled (correct)

Rate of motion

What does velocity describe?

Speed of an object

Total length traveled

How fast an object moves

Position from starting point (correct)

What does acceleration measure?

Change in velocity over time Signup and view all the answers

Which of the following is NOT a vector quantity?

Distance Signup and view all the answers

Which of the following is NOT a fundamental quantity according to the text?

Volume Signup and view all the answers

What is the standard unit for luminous intensity?

Candela Signup and view all the answers

In the metric system, which system includes units like meter, kilogram, and second?

MKS system Signup and view all the answers

What is the conversion factor from inches to centimeters?

$1 inch = 2.54 cm$ Signup and view all the answers

Which branch of physics deals with the nature of propagation of light?

Optics Signup and view all the answers

Which quantity is measured in Candela?

Luminous intensity Signup and view all the answers

What is the standard unit for mass in the SI system?

Kilogram Signup and view all the answers

What does Thermodynamics primarily deal with?

Heat flow and temperature measurements Signup and view all the answers

Which branch of physics combines principles and methods of physics and chemistry?

Physical Chemistry Signup and view all the answers

What does Particle Physics mainly deal with?

Structure of elementary particles Signup and view all the answers

Which branch of physics emphasizes electric charge and current?

Electricity and Magnetism Signup and view all the answers

What does Astrophysics focus on?

Physical laws concerning astronomical objects Signup and view all the answers

How many significant figures are there in the number 0.0250?

3 Signup and view all the answers

What does precision in measurements refer to?

The degree of agreement between different values obtained under the same condition Signup and view all the answers

Which system of measurements uses foot for length, pound for mass, and second for time?

British system (fps) Signup and view all the answers

What are derived quantities?

Quantities that depend on other quantities Signup and view all the answers

In the number 7.0080, how many significant figures are there?

5 Signup and view all the answers

What is accuracy in measurements related to?

The agreement between the experimental result and the true value Signup and view all the answers

Which type of physical quantity possesses only magnitude?

Volume Signup and view all the answers

What is the main difference between scalar and vector quantities?

Scalar quantities have only magnitude, while vector quantities have magnitude and direction. Signup and view all the answers

What is the resultant vector of two vectors acting in opposite directions called?

Displacement Signup and view all the answers

Which trigonometric function relates the Opposite side and the Hypotenuse in a right triangle?

Sin Signup and view all the answers

According to Galileo Galilei, what was the natural tendency of an object?

To move at a constant rate in a straight line Signup and view all the answers

What branch of mechanics deals with the relationship of motion to its causes?

Dynamics Signup and view all the answers