A person of mass 50 kg stands on a weighing scale on a lift. If the lift is descending with a downward acceleration of 9 ms-1 , what would be the reading of the weighing scale? ( Take g =10 ms-2 )

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

since it is Non inertial frame so will have to apply pseudo force in opposite direction Reading of the weighing scale = Mg - Ma = M(g - a) = 50 ( 10 - 9) = 50 N Note:- the unit of acceleration is incorrect it should be m/sec2
read more
since it is Non inertial frame so will have to apply pseudo force in opposite direction Reading of the weighing scale = Mg - Ma = M(g - a) = 50 ( 10 - 9) = 50 N Note:- the unit of acceleration is incorrect it should be m/sec2 read less
Comments

Related Questions

A shell of mass 0.020kg is fired by a gun of mass 100kg. If the muzzle speed of the shell is 80m/s, what is the recoil speed of the gun?
Mass of the gun, M = 100 kg Mass of the shell, m = 0.020 kg Muzzle speed of the shell, v = 80 m/s Recoil speed of the gun = V Both the gun and the shell are at rest initially. Initial momentum of the system...
Rasneet
0 0
5

What is the correct definition and formula of ohms law.? 

Ohms:- Any electric circuit , current flowing in the circuit is directly proportional to the voltage applied and inversly perportional to the resistance in the circuit. I- CURRENT V- VOLTAGE R - RESISTANCE I = V/R
Ajay Singh

What is the definition of Physics? How it differs from Chemistry and Biology?

Physics is the vertical of science in which we study the simple happening around us like apple is getting down from a tree, vehicle is moving, earth is revolving around sun, pressure exerted by atmoshphere...
Anshuman Singh

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

NEET : a possible dream
When I was in class Xi , I wonder seeing a doctor.It seems almost impossible.Its been five years from then ,I'm a final year MBBS student at CMC ,oldest medical College in whole Asia . It took me 2 years...



Nuclear Structure
An atom consists of an extremely small, positively charged nucleus surrounded by a cloud of negatively charged electrons. Although typically the nucleus is less than one ten-thousandth the size of the...

Recommended Articles

With the current trend of the world going digital, electronic renaissance is a new movement that is welcomed by the new generation as it helps makes the lives of millions of people easier and convenient. Along with this rapidly changing movement and gaining popularity of Internet, e-Learning is a new tool that emerging...

Read full article >

Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...

Read full article >

Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...

Read full article >

While schools provide formal education to the children, the home is where they start learning about things informally. Parents think that schools will take the initiative to educate their children. Well, this is partially true, as parents also play an essential role in bringing up their child. For the development of particular...

Read full article >

Looking for Class 11 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you