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question_answer1)
Which of the following actions involves a push?
A)
B)
C)
D)
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question_answer2)
William lifts a load by pulling the rope of a pulley system. This is shown in the given figure. Which force is applied by William to lift the load?
A)
magnetic done
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B)
muscular done
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C)
electrostatic done
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D)
gravitational done
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question_answer3)
Four situations I. A boy throws a ball up in the air and it falls freely on the ground. II. A horse pulls a cart and the cart moves forward. III. A can is opened with the help of an opener. IV. A magnet is demagnetized by hammering it. In which of the given situations is indirect application of force involved?
A)
I done
clear
B)
II done
clear
C)
III done
clear
D)
IV done
clear
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question_answer4)
When a magnet is brought near another magnet, the second magnet moves toward the first. The second magnet moves because of \[\underline{\,\,\,\,\,\,i\,\,\,\,\,\,\,\,\,}\]force between them which acts\[\underline{\,\,\,\,\,\,ii\,\,\,\,\,\,\,\,}.\]
A)
i-Gravitational, ii-Directly done
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B)
i-Gravitational, ii-Indirectly done
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C)
i-Magnetic, ii-Directly done
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D)
i-Magnetic, ii-Indirectly done
clear
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question_answer5)
Maria is amazed to see that her dry hair gets attracted towards the plastic comb during the combing. The hairs are attracted toward the comb because of
A)
gravitational force done
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B)
electrostatic force done
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C)
muscular force done
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D)
friction force done
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question_answer6)
The given figure shows a book lying on a table. The book lies as it is because of gravitational force acting upon it. The direction of the gravitational force acting upon the book is
A)
upward done
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B)
leftward done
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C)
downward done
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D)
rightward done
clear
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question_answer7)
When a stone is thrown in the air, it climbs to a certain height and then drops freely to the ground as shown in the given figure.
The stone falls down because of
A)
magnetism of Earth done
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B)
gravity of Earth done
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C)
frictional force done
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D)
air pressure done
clear
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question_answer8)
Blake is pulling a heavy box placed on a rough surface, as shown in the given figure.
Blake is pulling the box by applying a force against
A)
load done
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B)
friction done
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C)
tension in rope done
clear
D)
gravity of Earth done
clear
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question_answer9)
At an amusement park, a capsule in a free fall tower ride has a huge magnet fitted to its base. The capsule is prevented from hitting the ground by a powerful magnet, placed at the bottom of the ride. The magnet that faces upward has the same pole as the magnet that faces downward.
Which force prevents the capsule from hitting the ground?
A)
Gravitational done
clear
B)
Magnetic done
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C)
Electric done
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D)
Nuclear done
clear
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question_answer10)
Iron filings get attracted toward a bar magnet because of the presence of
A)
gravitational force done
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B)
frictional force done
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C)
magnetic force done
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D)
electric force done
clear
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question_answer11)
Moon revolves around Earth because of the presence of
A)
gravitational force done
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B)
frictional force done
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C)
magnetic force done
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D)
electric force done
clear
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question_answer12)
Amanda throws a stone vertically upward. The stone falls back on the ground.
The stone falls back on the ground as a result of
A)
Earth's magnetic field done
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B)
photons present in sunlight done
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C)
electric charges present in air done
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D)
gravitational force exerted by Earth done
clear
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question_answer13)
Force is defined as
A)
a push or pull done
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B)
mass per unit volume done
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C)
the ability to do work done
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D)
the movement of charged particles done
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question_answer14)
Trenton is pulling a bucket full of water, out of a well.
To pull the bucket out of the well, Trenton is applying
A)
gravitational force done
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B)
magnetic force done
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C)
muscular force done
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D)
electric force done
clear
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question_answer15)
Trenton is pulling a bucket full of water, out of a well. What is Trenton working against?
A)
Gravitational pull of Earth done
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B)
Magnetic field of Earth done
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C)
Elasticity of the rope done
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D)
Tension in the rope done
clear
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question_answer16)
A force of 16N acts on an area of \[50\text{ }c{{m}^{2}}.\]What is the pressure in pascal?
A)
3200 Pa done
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B)
4200 Pa done
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C)
5200 Pa done
clear
D)
2200 Pa done
clear
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question_answer17)
What is the magnitude of force required in newton's to produce a pressure of 27500 Pa on an area of \[200\text{ }c{{m}^{2}}\]?
A)
650 N done
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B)
750 N done
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C)
550 N done
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D)
450 N done
clear
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question_answer18)
A force of 300 N, while acting on an area A, produces a pressure of 1500 Pa. What is the magnitude of A in \[c{{m}^{2}}\]?
A)
\[1000\text{ }c{{m}^{2}}\] done
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B)
\[3000\text{ }c{{m}^{2}}\] done
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C)
\[4000\text{ }c{{m}^{2}}\] done
clear
D)
\[2000\text{ }c{{m}^{2}}\] done
clear
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question_answer19)
What force will produce a pressure of 50,000 Pa on an area of \[0.20{{m}^{2}}\]?
A)
10,000 N done
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B)
5,000 N done
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C)
1 5,000 N done
clear
D)
20,000 N done
clear
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question_answer20)
A rectangular block of mass 2kg is lying on the ground. What will be the thrust on the surface of the ground due to the block?
A)
16.6 N done
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B)
18.6 N done
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C)
19.6 N done
clear
D)
20.6 N done
clear
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question_answer21)
A force of 500 N acts on an area of \[0.05\text{ }{{m}^{2}}\]. What will be the pressure in rascals?
A)
\[{{10}^{4}}Pa\] done
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B)
\[{{10}^{5}}Pa\] done
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C)
\[{{10}^{6}}Pa\] done
clear
D)
\[{{10}^{7}}Pa\] done
clear
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question_answer22)
What will be the area of a body which experiences a pressure of 6000 Pa by a force of 120 N?
A)
\[\frac{1}{500}{{m}^{2}}\] done
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B)
\[\frac{1}{5000}{{m}^{2}}\] done
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C)
\[\frac{1}{5}{{m}^{2}}\] done
clear
D)
\[\frac{1}{50}{{m}^{2}}\] done
clear
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question_answer23)
A box of mass 10 kg has a base area of \[1\text{ }{{m}^{2}}\]. What is the pressure exerted by it on the ground? (Take 1 kg wt = 10 N)
A)
50 Pa done
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B)
70 Pa done
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C)
100 Pa done
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D)
120 Pa done
clear
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question_answer24)
The mass of a brick is 2.5 kg. Its dimensions are \[10\text{ }cm\text{ }\times \text{ }5\text{ }cm\text{ }\times \text{ }2\text{ }cm\]. What will be its pressure exerted by it on the ground if it is resting on? (Take 1 kg wt = 10 N) (i) \[a\text{ }10\text{ }cm\text{ }\times \text{ }5\text{ }cm\text{ }base\] (ii) \[a\text{ }5\text{ }cm\text{ }\times \text{ }2\text{ }cm\text{ }base\]
A)
5000 Pa, 25,000 Pa done
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B)
6000 Pa, 20,000 Pa done
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C)
4000 Pa, 15,000 Pa done
clear
D)
10000 Pa, 10,000 Pa done
clear
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question_answer25)
A man weighing 50 kgf is standing on a wooden plank of \[1m\text{ }\times \text{ }0.5m\]. What will be the pressure exerted by it on the ground?
A)
\[300\text{ }kgf/{{m}^{2}}~\] done
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B)
\[100\text{ }kgf/{{m}^{2}}\] done
clear
C)
\[200\text{ }kgf/{{m}^{2}}\] done
clear
D)
\[400\text{ }kgf/{{m}^{2}}\] done
clear
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