Explanation:
It's placed near the door. When a visitor presses the button, the bell rings inside alerting you that someone is at the door.
Force is a push or pull which is exerted on an objects. Types of Force are
Contact forces
Non contact forces or At a distance forces
Examples of Contact forces are:
Stretching of the spring of a balance
pushing of a pram
kicking of a football
Pushing the door
Hitting the ball etc are some examples of contact forces.
some types of contact forces are given in the list below:
Applied force
Normal force
Frictional force
Tension force
Air resistance force
Spring force
Of the different freeware and shareware programs available, two of the most popular are Xteq X-Start from Xteq Systems, and Startup Control Panel by Mike Lin. X-Start is a full-blown tweaking utility thats free for non-commercial use, and enables you to edit just about every element of a Windows system, including relevant startup and shutdown settings.
Answer:
A Telephone, Printer, Computers, Security Monitor
Answer:
True
Explanation:
While programming in most programming languages, one will have need to use functions and variables defined in other class libraries. in C++, these functions and variables' definitions are contained in Header files, which can be imported and used into any C++ program by using the pre-processor #include statement. This statement is the equivalent of import in java and copy in other languages. Popular header files are the Maths class (Allows use of maths functions like power, square roots exponentiation etc), the input/output (allows usage of cout print statement and cin input statement)
