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WorksheetsMoments, Torque, Centre of Gravity, Archimedes Principle_1
Total questions: 2
Worksheet time: 17mins
What is the defining equation of Newton's second law?
F = mgh
F = mv
F = ma
F = m
What is the unit of density?
Meters per second squared
Kilograms per meter cubed
Newtons per meter squared
Kilograms per meter
What is the unit of pressure?
Kilograms per meter
Newtons per meter squared
Meters per second squared
Kilograms per meter cubed
What is the principle of moments?
The sum of the anti-clockwise moments is less than the sum of the clockwise moments
The sum of the anti-clockwise moments is not equal to the sum of the clockwise moments
The sum of the anti-clockwise moments is greater than the sum of the clockwise moments
The sum of the anti-clockwise moments is equal to the sum of the clockwise moments
What is the formula for the pressure of a fluid at a height h below the surface of the fluid?
Density * Height * g / Area
Density * Area * Height * g
Density * Height * g
Density * Volume * g / Area
What is Archimedes principle?
The up thrust is greater than the weight of the liquid that has been displaced
The up thrust is less than the weight of the liquid that has been displaced
The up thrust is not equal to the weight of the liquid that has been displaced
The up thrust is equal to the weight of the liquid that has been displaced
What is the center of gravity?
A point at which the entire mass of an object seems to act
A point at which the entire force of an object seems to act
A point at which the entire volume of an object seems to act
A point at which the entire weight of an object seems to act
What is the definition of a force couple?
Two unequal and opposite forces acting in different planes
Two equal and opposite forces acting in the same plane
Two equal and opposite forces acting in different planes
Two unequal and opposite forces acting in the same plane
What is the definition of torque?
The sum of the force and the perpendicular distance from the pivot point to the line of action of the force
The subtraction of the force and the perpendicular distance from the pivot point to the line of action of the force
The product of the force and the perpendicular distance from the pivot point to the line of action of the force
The division of the force and the perpendicular distance from the pivot point to the line of action of the force
What is the definition of a moment of force?
The product of the force and the perpendicular distance from the pivot point to the line of action of the force
The sum of the force and the perpendicular distance from the pivot point to the line of action of the force
The subtraction of the force and the perpendicular distance from the pivot point to the line of action of the force
The division of the force and the perpendicular distance from the pivot point to the line of action of the force
What is the definition of pressure?
The amount of force per unit volume
The amount of force per unit area
The amount of force per unit mass
The amount of force per unit length
What is the definition of density?
The mass per unit area
The mass per unit volume
The force per unit volume
The force per unit area
What is the formula for the pressure inside a fluid at a height h?
Density * Height * g / Area
Density * Area * Height * g
Density * Height * g
Density * Volume * g / Area
What is the formula for the up thrust acting on a body submerged in liquid?
Density * Volume * g
Density * Height * g
Density * Area * Height * g
Density * Area * Height * g
What is the unit of density?
Meters per second squared
Kilograms per meter
Newtons per meter squared
Kilograms per meter cubed
What is the defining equation of Newton's second law?
What does the net force equal to according to Newton's second law?
Net force equals mass times acceleration (F = ma).
Mass multiplied by acceleration
What does a net force of zero mean?
All the forces acting on the object are balanced and cancel each other out.
There are equal but opposite forces acting on the object
What is the unit of force?
What is the definition of a Newton?
The force required to accelerate a mass of one kilogram by one meter per second squared
What is the unit of acceleration?
How is the net force calculated when there are multiple forces acting on an object?
What happens when the net force on an object is zero?
Which scenario results in a net force of zero?
When the forces acting on an object are balanced.
Two equal but opposite forces acting on the object.
How is the unit of force related to the definition of a Newton?
