Exploring Forces Chapter 5 Quiz - MCQGeeks.com

Which one of the following is a non-contact force

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Magnetic force
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Spring Force
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Force of Friction
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Muscular Force

A brick is kept in three different ways on a table as belowThe pressure exerted by the brick on the table will be

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maximum in position A
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maximum in position B
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equal in all cases.
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maximum in position C

Three forces act on the body as given below

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Body will move towards right
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Body will not move
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Body will move towards left
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Body may move either left or right

The S.I unit of Force is

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Pascal
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Kg-wt
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Newton/m2>/sup>
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Newton

Equal volume of liquid are the poured the three vessel having same base area as shown below. Let P1 ,P2 and P3 be the pressure at the base respectively, then

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P1 > P2 > P3
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P3 > P1 > P2
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P1 = P2 = P3
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P2 > P1 > P3

Three forces act on the body as given below

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The body will move towards left with force 5 N acting on it
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Body will not move
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The body will move towards left with force 35 N acting on it
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The body will move towards right with force 5 N acting on it

A body weighs 100 N is placed on the top of the wooden table. The area of contact is 2 mThe pressure exerted by the body on the wooden table will be

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100 Pa
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25 Pa
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75 Pa
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50 Pa

Force acts on an object may change

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speed
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direction
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all of above
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shape

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

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electrostatic force.
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magnetic force
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force of gravity.
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force of friction.

We have two surfaces A and B where same amount of Force is acting. Area of Surface A is greater than Area of Surface B. which of the following will be true

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Pressure on Surface A > Pressure on Surface B
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Pressure on Surface B > Pressure on Surface A
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Pressure does not depend on area
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Pressure on Surface A= Pressure on Surface B

Which one of the following forces is a contact force?

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electrostatic force
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magnetic force
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force of gravity
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force of friction

Below figure shows a container filled with water. Which of the following statements is correct about pressure of water?

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Pressure at A< Pressure at B < Pressure at C
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Pressure at A > Pressure at B>Pressure at C
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Pressure at B> Pressure at C> Pressure at A
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Pressure at A=Pressure at B=Pressure at C

The S.I unit of Pressure is

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Bar
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Kg-wt
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Pascal
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Newton

which of the following is incorrect

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Pressure difference between A and C is non-zero
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Pressure difference between A and B is zero
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Pressure difference between B and C is zero
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None of these

A sharp knife enable us to cut through things more easily as compare to the blunt knife because

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The sharp edge can pass through the material slowly
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The sharp edge is not felt when cutting through the material.
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The pressure exerted is greater when the same force is used
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The pressure exerted is lesser when the same force is used

Leaves fall down on the ground because of

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Magnetic forces
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Gravitational force
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electric forces
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Spring force

1 Kg - wt equals to

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1 N
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980 N
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98 N
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9.8 N

Which force of attraction pulls everything to the Earth’s surface?

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Contact Force
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Non-contact Force
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Muscular Force
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Gravitational Force

At what fraction the gravitational force of the moon is smaller than the Earth’s gravitational force?

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One-Third
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One-Fourth
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One-Fifth
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One-Sixth

Which substance has magnetic force that is used to capture the iron nails?

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Magnet
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Cotton
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Nitrogen
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Diesel

Which force of attraction was produced by a ruler to attract pieces of paper?

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Magnetic force
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Electrostatic force
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Muscular force
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Pressure

What type of charges repel each other?

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Positive
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Negative
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Same charges
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None of these

Who invented the simple barometer?

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Galileo Galilei
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Albert Einstein
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Isaac Newton
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Evangelista Torricellli

What is the value of one atm?

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$1 \times 10^2$ Pa
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$1.01 \times 10$ Pa
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$1.013 \times 10^5$ Pa
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1 Pa

Which German Scientist performed the experiment “The Magdeburg”?

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Aristotle
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Otto von Guericke
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Schwann
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Schleiden

Which instrument is used to measure liquid pressure?

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Barometer
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Manometer
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Seismograph
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Echocardiogram

A pressure of 20 Pa acts on a smooth surface of an area of 200 cmCalculate the force applied to it.

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0.3 N
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0.4 N
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0.5 N
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0.6 N

Calculate the pressure if 100 N force is applied on a smooth surface of an area of 2 m2?

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40 Pa
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30Pa
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50 Pa
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60 Pa

Which of the following is an SI unit of force?

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Pascal
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Tesla
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Sigma
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Newton

Why wooden sleepers are placed below railway tracks?

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To reduce force
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To reduce pressure
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To increase force
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To increase pressure

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