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WorksheetsX Physics QUIZ III
Total questions: 20
Worksheet time: 10mins
Newton’s 2nd law of motion helps in the measurement of:
Pressure
Force
Weight
Mass
The law of conservation of momentum states that momentum of an isolated system is always remains:
Constant
Lesser
Greater
Zero
The force with which earth attracts anybody is:
Weight
Gravitational force
Both weight and gravitational force
Centripetal force
It’s the characteristic of a body due to which it resist any change in its state:
Momentum
Weight
Force
Inertia
The motion of insects is called:
random motion
circular motion
rotatory motion
vibratory motion
scalar quantities are only specified by:
direction
arrow head
magnitudes
none of them
If F=5.3 km, Fy=43.8km then F is:
40km
44.11km
440km
480km
The value of sin45 is:
2
23
21
1
In scientific work most important thing is:
Observation
Experiment
Hypothesis
Theory
A systematic error is due to?
Experiment
Weather
Instrument
System
Torque is a ?
Vector quantity
Scalar quantity
Resultant vector
Positive vector
If 10N is 1cm then 50N is ?
5 cm
15cm
10cm
20cm
If F and Fy are rectangular components of force than tanθ is?
Fx - Fy
Fy/Fx
Fx + Fy
Fx/fy
Torque can be also stated as:
Turning force
Moment arm
Moment of force
Couple
Force is inversely proportional to the?
Moment arm
Speed
Velocity
Acceleration
In a sphere the Center of gravity is in?
Base
Center
Perpendicular
All of them
Clockwise torque is considered as?
Positive Torque
Negative Torque
Unit Torque
Zero Torque
If a vector sum of all the forces on a body is equal to zero then it is said to be in?
Translational equilibrium
Static equilibrium
Rotational equilibrium
Dynamic equilibrium
A cone resting on its side is in?
Neutral equilibrium
Unstable equilibrium
Stable equilibrium
Dynamic equilibrium
If F=20N and moment arm = 2N then torque is:
0.4 N-m
20 N-m
400 N-m
40 N-m
