CH1

Question 1

Definition of resultant force

Answer 1

Single force that represent the vector sum of 2 or more forces acting on an objectq

Question 2

Definition of a free body diagram

Answer 2

Diagram showing all forces acting on the object only

Question 3

Definition of Resolution of forces

Answer 3

Process of resolving a force into 2 components

Question 4

Definition of object in equilibrium force

Answer 4

Forces acting on object produces a zero resultant force

Question 5

Definition of elasticity

Answer 5

Property of an object that enables an object to return to its original shape and size after force applied on it is removed

Question 6

Hookes Law

Answer 6

Extension of spring is directly proportional to the force applied if elastic limit of spring is not exceeded

Question 7

4 Factors that increases elastic constant of spring

Answer 7

Diameter decreases
Length decreases
Thickness of wire increases
Steel spirng