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WorksheetsGrade 8 Physics chapter 3
Total questions: 22
Worksheet time: 33mins
What is the unit of force?
Meter
Centimeter
Newton
What is the equation for Force?
velocity x motion
mass x acceleration
kilograms x mass
meters / seconds
A moment of force cause an object to?
Turn about fixed point
Move forward
Move backward
The turning effect of force on a door will be the highest when?
Point far from the hinges and perpendicular
Point near the hinges and perpendicular
Point far from the hinges and parallel
point near from the hinges and parallel
What is the unit of moment f force?
N
m
Nm
N/m
Which one will loosened a nut more easily?
a short spanner because a larger turning effect can be produced.
a long spanner because a larger turning effect can be produced.
a long spanner because a larger force can be produced.
a short spanner because a larger force can be produced.
The force exerted by the earth to pull the object towards itself is called
electrostatic force
gravitational force
muscular force
magnetic force
An object weighing 400 N is placed on an area of 100 m2 . What is the pressure applied by the object on that area?
40000 Pa
4 Pa
40 Pa
0.04 Pa
The SI unit of pressure is (a)
Which formula is used to calculate pressure?
pressure = areaforce
pressure = force x area
pressure = forcearea
If an object's surface area is smaller does it create more or less pressure?
More
Less
The same
A camel can walk in deserts more easily as compared to horse donkey and others because its
Feet are smaller
Weight is lesser
Feet are broader
Heavier body
The (a) force can be used to gather iron pins scattered on the floor.
In which direction liquid exerts pressure
In all directions
Sideways
Downward
All of these
When is more pressure developed?(choose 1 option)
When there is less area and more thrust
Less pressure more area
