Experiment 1 - Resultant of a Force System

Question 1

An invariant property of a body which
measures its resistance to a change in motion

Answer 1

Mass

Question 2

The force with which a body is attracted toward the earth or a celestial body by gravitation

Answer 2

Weight

Question 2

Formula of weight

Answer 2

F = mg

Question 2

Action exerted by one body upon another

Answer 2

Force

Question 3

Two effects of a force

Answer 3

External & Internal

Question 4

manifested by a change in, or a tendency to change, the state of motion of the body upon which it acts

Answer 4

External Effect

Question 5

produces stress and deformation in the body

Answer 5

Internal Effect

Question 6

Characteristics of a Force

Answer 6

Magnitude, Position of Line of Action & Direction force acts

Question 7

States that the external effect of a force on a rigid body is the same for all points of application along its
line of action while its internal effect is associated with the point of application of the force

Answer 7

Principle of Transmissibility

Question 8

standard of measurement

Answer 8

Unit

Question 9

refers to the type of measurement, regardless of the units used

Answer 9

Dimension

Question 10

The resultant of two forces is the diagonal formed on the vectors of these forces

Answer 10

The Parallelogram Law

Question 11

A single force whose effect is the same as the combined effect of a given set of forces

Answer 11

Resultant

Question 12

The resultant of two forces is the _______ of the parallelogram whose initial sides are the vectors of these forces

Answer 12

diagonal

Question 13

The process of splitting or dividing a vector into its parts called components

Answer 13

Resolution

Question 14

Effective value of a vector along a given direction

Answer 14

Component

Question 15

Formula of Fx

Answer 15

Fcosθ

Question 16

Formula of Fy

Answer 16

Fsinθ

Question 16

The forces can be resolved into components that coincide with arbitrary chosen axes. The components can be added algebraically, and the resulting value will be known as the resultant vector

Answer 16

Analytical Solution

Question 17

Solution based on the parallelogram law.

Answer 17

Graphical Solution

Question 17

Formula of F (if Fx and Fy are known)

Answer 17

F = sqrt(Fx^2 + Fy^2)

Question 17

Formula of θ (if Fx and Fy are known)

Answer 17

tan^-1(Fy/Fx)

Question 18

any arrangement where two or more forces act on a body or a group of bodies.

Answer 18

Force System