1.
If the mass of a ball is 5 kg on earth, then what would be its mass on Jupiter?
A
5 kg
B
5000 kg
C
40000 kg
D
50 kg
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If the mass of a ball is 5 kg on earth, then what would be its mass on Jupiter?
5 kg
5000 kg
40000 kg
50 kg
The normal force per unit area is called
pressure
thrust
balanced force
Pascal
The upward force acting on an object submerged in a liquid is
thrust
buoyant force
pressure
force of friction
What is the mass of an object whose weight on earth is 196 N?
20 kg
0.20 kg
1960 kg
2 kg
How much would a man, whose mass is 60 kg weigh on the moon?
9.8 N
600 N
60 N
98 N
SI unit of weight is
newton
kg
Wt
kg.wt
Mass remains ______ throughout the universe.
varies
zero
constant
negative
The weight of an object of mass 15 kg at the centre of the earth is
147 N
147 kg
zero
150 N
The weight of an object of mass 10 kg on earth is
9.8 N
9.8 kg
98 N
98 kg
A feather and a coin released simultaneously from the same height do not reach the ground at the same time because of the
resistance of the air
force of gravity
force of gravitation
difference in mass
The acceleration due to gravity is zero at
the equator
poles
sea level
the centre of the earth
A stone dropped from the roof of a building takes 4 seconds to reach the ground. What is theheight of the building?
19.6 m
39.2 m
156.8 m
78.4 m
A ball is thrown up and attains a maximum height of 100 m. Its initial speed was
9.8 m/s
44.2 m/s
19.6 m/s
98 m/s
A stone is dropped from a cliff. Its speed after it has fallen 100 m is
9.8 m/s
44.2 m/s
19.6 m/s
98 m/s
When an object is thrown up, the force of gravity is
is opposite to the direction of motion
is in the same direction as the direction of motion
becomes zero at the highest point
increases as it rises up
Name the fundamental force which holds the planets in their orbits around the sun.
Gravitational force of attraction
Electrostatic static force of attraction
Nuclear force of attraction
Electro static force of attraction
The force of gravitation between two bodies in the universe does not depend on
the distance between them
the product of their masses
the sum of their masses
the gravitational constant
If the distance between two bodies is doubled, the force of attraction F between them will be
1/4 F
2 F
1/2 F
F