Weight and Mass
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10 points of difference between mass and weight
(a) beam balance
(b) analytical balance
(c) spring balance
(d) physical balance
The weight of any person on the moon is about times that on the earth. He can lift a mass of on the earth. What will be the maximum mass, which can be lifted by the same force applied by the person on the moon?
Name the fundamental units in M.K.S system.
The weight of an object at the center of the earth of radius is
Zero
Infinite
R times the weight of the object on the surface
times the weight of the object on the surface
Is kilogram a fundamental unit?
An object is raised from surface of earth to a height of two earth radii above it , then its mass and weight both remain constant.
- True
- False
Amit buys a few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why?
A spring balance can be used to measure:
A. Mass of an object
B. Force acting on an object
C. Density of an object
D. Weight of an object
(a) A and B
(b) B and C
(c) B and D
(d) only D
A skydiver who weighs 60 kg is moving at terminal speed. He covers 40 m in 2 seconds. The rate of doing work by the sky diver is
Question 5 (c)
In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.
(c) A load suspended from a spring while its other end is on a hook fixed to a wall.
- 250 N
- 25 N
- 0.25 N
- 2.5 N
The weight of a body on the moon is . What is the weight of that body on earth?
- True
- False
A skydiver who weighs 60 kg is moving at terminal speed. He covers 40 m in 2 seconds. The rate of doing work by the sky diver is
If the mass of a body is 5 kg, its weight on the surface of the earth would be
- 20 kg
- 30 kg
- 300 kg
- 200 kg
- g4
- g5
- g6
- g2
If the mass of a ball is 5kg on the Earth, then what would be its mass on Jupiter?
56kg
5kg
10kg
30kg
The S.I. unit of weight is _______.
newton
gram
dyne
kilogram
- 980 kg
- 0.1 kg
- 9.8 kg
- 10 kg
Weight of an astronaut and his space suit on Earth is 60 kgf and 30 kgf respectively. Their combined weight on Moon will be
- Weight
- Force
- Mass
- Acceleration
If the acceleration due to gravity on Mars is more than that of Earth, then the weight of the object on Mars will be
decrease
increase
Remain same
none of these
- Volume
- Weight
- Mass
- Length
- Vertically downwards
- Vertically upwards
- Horizontally upwards
- Horizontally downwards