400.0N
40.0N
4.0N
0.4N
Correct answer is B
F = μmg = 0.2 x 20 x 10 = 40N
In a hydraulic press, a force of 40N is applied to the smaller piston of area 10cm2. If the area of ...
Stars which appear single to the naked eye but are double when seen through a telescope are ...
When a current of 1 .0A flows in an electrolyte for 3.0h, a mass of 1 .0g is deposited. What mass wi...
Which of the following characteristics of a wave is used in the measurement of the depth of the Sea?...
In an experiment to measure1 the focal length f of a converging lens object distances u and correspo...
A work of 30 joules is done is transferring 5 millicoulombs of charge from a point B to a point A in...
Which of the following pairs of colours gives the widest separation in the spectrum of white light? ...
If the force of a charge of 0.2 coulomb in an electric field is 4N, then the electric field intensit...
A tuning fork sounds louder when its stem is pressed against a table top than when held in air becau...
Which of the following statements correctly defines the boiling point of a liquid? The temperature a...
Verbal Reasoning Questions and Answers
Typing Speed and Accuracy Test
Abstract Reasoning Questions and Answers
Data Interpretation Questions and Answers
Personality Test
Logical Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Spatial Reasoning Questions and Answers
Quantitative Reasoning Questions and Answers
Microsoft Office Questions and Answers
Situational Judgement Questions and Answers
Puzzles Questions and Answers
Numerical Reasoning Questions and Answers
See all →