Physics Chapter Concepts Quiz

Play an AI-generated podcast conversation about this lesson

Define mass and state its S.I. unit.

Mass is the measure of the amount of matter in an object, and its S.I. unit is the kilogram (kg).

Explain the difference between vector and scalar quantities, and give two examples of each.

Vector quantities have both magnitude and direction, such as force and velocity, while scalar quantities have magnitude only, such as mass and temperature.

What is Hooke's Law, and how does it relate to the behavior of springs?

Hooke's Law states that the extension of a spring is directly proportional to the force applied, within the elastic limit of the spring.

What is the principle of moments, and how does it apply to a system in equilibrium?

The principle of moments states that for a system in equilibrium, the sum of the clockwise moments around a point equals the sum of the anticlockwise moments around the same point. Signup and view all the answers

Define density and provide its S.I. unit.

Density is the measure of how much mass is contained in a given volume, and its S.I. unit is kilograms per cubic meter (kg/m³). Signup and view all the answers

What is the formula for the volume of a cube.

Side X side X side Signup and view all the answers

Explain the gradient formula in your own words.

Y2 - Y1/X2 - X1 Signup and view all the answers

Describe the principle of moments and provide its formula in both words and symbols.

The principle of moments states that the sum of clockwise moments equals the sum of anticlockwise moments. CM = ACM Signup and view all the answers

State Hooke's Law and describe how it relates force, spring constant, and displacement.

Hooke's Law states that force is directly proportional to displacement, F = k x e Signup and view all the answers

What is the density equation in words and symbols.

Density is defined as mass per unit volume or how compacted the matter is in a substance/ material Signup and view all the answers

Define range

The size of interval between the min and max value of the quantity the instrument can measure Signup and view all the answers

Define accuracy

How close the experimental value is to the true value Signup and view all the answers

Define precision

How small an uncertainty the measuring instrument will give Signup and view all the answers

Sensitivity

The measure of the increase of an instrument to the smallest change on the quantity being measured Signup and view all the answers

What is the difference between linear and non linear scales and give an example of each

Linear scales have evenly spaced intervals (eg. ammeter, meter rule) while non linear scales have unevenly spaced intervals (eg. Conical flask) Signup and view all the answers

Vector Quantity

A quantity that has both magnitude and direction.

Scalar Quantity

A quantity that has only magnitude (size).