6.0cm
12.0cm
18.0cm
24.0cm
48.0cm
Correct answer is A
No explanation has been provided for this answer.
The statement that the mechanical advantage of a machine is 3 means that the
efficiency is 33\(\frac{1}{3}\)%
effort is three times as large as the load
mechanical advantage is 3 times as large as the velocity ratio
ratio of the effort to the load is 1: 3
Velocity ratio is 3
Correct answer is D
No explanation has been provided for this answer.
Which is a stringed Instrument?
drum
flute
piano
saxophone
trumpet
Correct answer is C
today the piano is generally considered to be both a stringed and a percussion instrument.
Which statement about the concept of temperature is NOT true?
Temperature decides the direction of heat flow between two bodies
Temperature is a measure of coldness of a body
Temperature is a vector quantity
Temperature is a measure of hotness of a body.
Temperature scales include Fahrenheit, Celsius and Kelvin
Correct answer is C
No explanation has been provided for this answer.
5.00cm
10.00cm
15.00 cm
18.00 cm
20.00cm
Correct answer is B
No explanation has been provided for this answer.