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Science
9th
grade
Mass and Weight | Gravitation | Assessment | English | Grade 9
6 questions
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- 1. Multiple Choice
Calculate the mass of a person on earth whose weight is 800 N.
80 g
80000 g
800 g
8 g
- 2. Multiple Choice
Ratio of mass of earth and moon is 10:1. How will the gravitational force of moon on earth vary with the gravitational force of earth on moon?
Gravitational force of earth on moon > Gravitational force of moon on earth
Gravitational force of earth on moon ≥ Gravitational force of moon on earth
Gravitational force of earth on moon = Gravitational force of moon on earth
Gravitational force of earth on moon < Gravitational force of moon on earth
- 3. Multiple Choice
Two sisters A and B having of weight 40 N and 35 N can pick up boxes with mass 12 kg and 15 kg respectively on earth. How much weight do you think they carry together on moon?
27kg
4.5 kg
162kg
None of these
- 4. Multiple Choice
A person travelled from equator to poles, its ___.
Weight will decrease
mass will decrease
Weight will increase
Its weight and mass remains same
- 5. Multiple Choice
Mass of an astronaut on moon is M. What will be its weight on moon and on earth, if acceleration due to gravity on earth is 9.8 m/s²?
1.6 M and 9.8 M
6M and 9.8 M
18M and 3 M
3M and 18 M
- 6. Multiple Choice
Which of the following is true about mass and weight?
A heavy object has more weight.
Weight and mass are interchangeable.
Weight is force and mass is a measure of inertia.
Both 1 and 3
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