WorksheetsForce and Pressure
Total questions: 22
Worksheet time: 18mins
The turning effect of force results in ____________ motion.
translational
rotational
random
linear
Which of the following are the examples of the turning effect of force?
A merry-go-round
Opening a soda bottle with an opener
Opening a door
All of these
Which of the following is also known as a counter-clockwise rotation?
Clockwise rotation
Anti-clockwise rotation
Clock rotation
None of these
Which of the following is a unit of the moment of force?
N
m
Nm
N/m
What magnitude of the force can create 100 Nm of moment of force, from a distance of 0.5m?
100N
2000N
50N
200N
Which of the following is defined as pressure?
Force per unit area
Force per unit volume
Force per unit length
None of these
Which of the following can exert pressure?
Solids
Liquids
Gases
All of these
What will be the magnitude of pressure, if the area on which the force is applied, is increased?
It will increase
It will decrease
It will remain the same
None of these
Which of the following factor does not affect the pressure exerted by a liquid?
The density of the liquid
Depth of the object inside the liquid
Amount of liquid in the vessel
None of these
Which of the following will experience the highest pressure in the liquid?
An object having a depth of 25 m
An object having a depth of 50 cm
An object having a depth of 50 m
An object having a depth of 25 cm
If the density of the liquid is 1000 kg / m3
, what is the magnitude of pressure exerted by the liquid on an object
submerged at 0.15m? Take g = 10 m / s2
1470.00 Pa
1471.50 Pa
1472.50 Pa
1500.00 Pa
Who proved that an increase in pressure in a certain portion of liquid will be transferred to the rest of the
liquid?
Blaise Pascal
Otto von Guericke
Sir Isaac Newton
None of them
Pascal’s law is not applicable for ____________ liquids.
compressible
incompressible
dense
heavy
Which of the following is not a use of hydraulic press?
Compressing bales of cotton
Extracting juices from fruits
Extracting oil from the cotton seeds
Lifting heavy loads
Who conducted the Magdeburg experiment for the first time?
Blaise Pascal
Otto von Guericke
Sir Isaac Newton
None of them
Which of the following proves the effect of atmospheric pressure on objects?
Pascal’s law
Magdeburg experiment
Newton’s laws
None of these
Which of the following is an incorrect sentence?
The pressure on an object in a liquid is directly proportional to the depth of the object.
The pressure on an object in a liquid is directly proportional to the gravitational acceleration at that place.
The pressure on an area is directly proportional to the magnitude of force applied.
The pressure on an object in a liquid is inversely proportional to the density of the liquid.
What is the unit of force per unit area?
Newton (N)
Pascal (Pa)
Newton metre (Nm)
Bar meter
Which of the following is compressible?
Air
Water
Helium
Both air and helium
Which of the following refers to the term ‘directly proportional’?
If the magnitude of one quantity is increased then the magnitude of the other will increase.
If the magnitude of one quantity is increased then the magnitude of the other will decrease.
If the magnitude of one quantity decreased then the magnitude of the other will increase.
None of these
What will be the area of contact if 25 N/m2 of pressure is created due to 5 N of force?
5 m2
2 m2
0.5 m2
0.2 m2
How much pressure is exerted by the atmosphere at sea level?
101250 Pa
101525 Pa
101325 Pa
101225 Pa
