English
Maharashtra State BoardSSC (English Medium) 10th Standard

What will be the weight of a person on earth, who weighs 9N on the moon? - Science and Technology 1

Advertisements
Advertisements

Question

What will be the weight of a person on earth, who weighs 9N on the moon?

Options

  • 3 N

  • 15 N

  • 45 N

  • 54 N

MCQ
Advertisements

Solution

54 N

shaalaa.com
  Is there an error in this question or solution?
2018-2019 (March) Balbharati Model Question Paper Set 1

RELATED QUESTIONS

What do you mean by free fall?


What is the acceleration of free fall?


A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate

  1. the maximum height to which it rises.
  2. the total time it takes to return to the surface of the earth.

A ball thrown up vertically returns to the thrower after 6 s. Find

  1. the velocity with which it was thrown up,
  2. the maximum height it reaches, and
  3. its position after 4 s.

When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.


Give reason for the following :
The force of gravitation between two cricket balls is extremely small but that between a cricket ball and the earth is extremely large.


Explain why, if a stone held in our hand is released, it falls towards the earth.


What is the force of gravity on a body of mass 150 kg lying on the surface of the earth? (Mass of earth = 6 x 1024 kg; Radius of earth = 6.4 x 106 m; G = 6.7 x 10-11 Nm2/kg2)


The values of g at six distances A, B, C, D, E and F from the surface of the earth are found to be 3.08 m/s2, 9.23 m/s2, 0.57 m/s2, 7.34 m/s2, 0.30 m/s2 and 1.49 m/s2, respectively.
(a) Arrange these values of g according to the increasing distances from the surface of the earth (keeping the value of g nearest to the surface of the earth first)
(b) If the value of distance F be 10000 km from the surface of the earth, state whether this distance is deep . inside the earth or high up in the sky. Give reason for your answer.


Explain why, the tip of a sewing needle is sharp.


Name the force which pulled the apple off Isaac Newton’s tree.


For freely falling object we can write the Newton’s second equation of motion as …..


Choose one or more correct alternatives.

Which of the forces involved in dragging a heavy object on a smooth, horizontal surface, have the same magnitude?

  1. The horizontal applied force
  2. gravitational force
  3. reaction force in vertical direction
  4. force of friction  

A force causes an acceleration of 10 m s-2 in a body of mass 500 g. What acceleration will be caused by the same force in a body of mass 5 kg?


A car is moving with a uniform velocity 30 ms-1. It is stopped in 2 s by applying a force of 1500 N through its brakes. Calculate the following values :  The retardation produced in car.


Write scientific reason.

When we drop a feather and a stone at the same time from a height the stone reach the earth faster than a feather.


Define acceleration due to gravity.


The mass and weight of an object on earth are 5 kg and 49 N respectively. What will be their values on the moon? Assume that the acceleration due to gravity on the moon is 1/6th of that on the earth.


When is free fall possible?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×