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Worksheetskousil 81
Total questions: 20
Worksheet time: 11mins
The force exerted by the earth to pull the object towards itself is called
electrostatic force
gravitational force
muscular force
contact force
Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct?
Magnitude of force applied by A is greater than that of B.
Magnitude of force applied by A is smaller than that of B.
Net force on the block is towards B.
Magnitude of force applied by A is equal to that of B.
When two forces act in opposite directions, then net force acting is the
difference between two forces
sum of two forces
both of these
none of these
Which of the following is proper example(s) to explain that force on an object may change its shape
A ball of dough rolled into chapati
Pressing a plastic ball kept on table
Making model using clay
All of the above
The pressure which is exerted by air around us is known as
force
atmospheric pressure
muscular force
friction
What kind of force acts on a spring balance when the weight of an object is being measured with it?
Elastic force
Normal force
Frictional force
Gravitational force
The SI unit of force is
Pascal, Pa
Newton, N
Newton Meter, N m
Kilogram, kg
An object should float in a liquid if...
It is denser than the liquid
It is less dense than the liquid
It has the same density as the liquid
Air pressure is greater
at the top of the mountain
at the center of the mountain
at the bottom of the mountain
State true and false: Pressing a door bell is a push
true
false
Push or Pull is called.
Force
Gravity
Weight
Friction
Which of the following is not the effect of force?
A force can move a stationary object
A force can not change the direction of Motion
A force can change the shape of an object
A force can change the speed of the moving object
The speed of a falling body normally ________.
Increases
decreases
constant
(a) and (b)
_________ are forces which require physical contact
Contact forces
Non-Contact Forces
both (a) and (b)
None of these
The force acts between the two surfaces which are in contact
Mechanical Force
Frictional Force
Muscular Force
Magnetic Force
The force exerted by an electrically changed object is called
Magnetic Force
Mechanical force
Electrostatic force
Gravitational force
The gravitational pull of the Earth on a body is called its _________
Force
Weight
Friction
None
