9th physics MCQs Sindh Board
On this youtube channel you will learn Ninth Class Chapter No.05 forces and matter. Solved chapter with book exercise MCQs With Solved Answers. If you are looking 9th Class sukkur Sindh Board physics Chapter Wise Solved MCQs With Answers You are on this channel "Naz Online Academy ". You will learn online here Objective type IX Class physics Solved Unit 5 Most Repeated MCQs with Solved Answers.
::::: Questions solved :::::
The spring in brakes and clutches are used:
A. to restore original position
B. to measure force
C. to absorb shocks
D. to absorb strain energy
If the material recovers the original dimension, when an external force is removed, this deformation is known as
deformation.
A. Inelastic
B. Permanent
C. Elastic
D. Irreversible
Which of the following material is more elastic?
A. Rubber
B. Glass
C. Steel
D. Wood
If a spring stretches easily then its spring constant has _______
A. Large value
B. Small value
C. Constant value
D. Both a and b
Which of the following is not a unit of pressure?
A. Pascal
B. Bar
C. Atmosphere
D. Newton
When a force is exerted on an area, this is known as:
A. torque
B. Pressure
C. Energy
D. Equilibrum
Pressure = _______
A. Torque /Area
B. Area /Torque
C. Area /Force
D. Force /Area
It is used to measure the atmospheric pressure.
A. Barometer
B. Manometer
C. Lactometer
D. Ammeter
The length of spring increases as the force increases. This increase in length of spring is known as?
A. Extension
B. Stretch
C. Elasticity
D. Expansion
Within elastic limit, the displacement produced in the spring is directly proportional to
A. Increase in length
B. Extension produced
C. Force applied
D. None of the above
The equation for Hooke's law may by written as:
A. X = kf
B. F= kx
C. X = k/f
D. F = k/x
It is a collection of molecules that are randomly arranged and held together by weak cohesive forces and by forces exerted by the walls of a container.
A. A liquid
B. A gase
C. Both a and b
D. None of the above
The pressure exerted by fluids acts in:
A. one direction
B. Two directions
C. Up & down directions
D. All directions
Pressure of a fluid P is proportional to the:
A. Depth
B. Mass
C. Force
D. None of them
It tells us how tightly matter is packed together.
A. Mass
B. Weight
C. Density
D. Volume
The machines in which force is transmitted by liquids under pressure is known as:
A. Liquid machines
B. Fluid machines
C. pneumatic machines
D. hydraulic machine
A hydraulic machine works on: _______
A. Newton's third law of motion
B. Newton's law of gravitation
C. Pascal's law
D. Molecular theory
Forces on an object can cause:
A. tensile deformation (stretching)
B. compressive deformation (squashing)
C. Both a and b
D. None of the above
Pressure is greater when a large force acts on:
A. Large area
B. Small area
C. Cylindrical area
D. Round area
The pressure in a fluid is greater with:
A. Large depth and high density
B. Large depth and low density
C. The small depth and high density
D. Small depth and low density
If a metal block applies a force of 20N on an area of 5cm. Find the pressure being applied by the block on the area of _______
A. 100 N/cm2
B. 0.8 N/cm2
C. 0.25 N/cm2
D. 4 N/cm2
1 atmosphere = ______________
1 Pascal (PA) = _______
A. 1N/m2
B. 1Nm
C. 1Nm3
D. None
When a body moves in a straight line then its displacement coincides with
A. Distance
B. Force
C. Acceleration is zero
D. Both A and B
Which of the following pair has same direction always?
A. Force, displacement
B. Force, velocity
C. Force, acceleration
D. Force, momentum
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