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WorksheetsLaws of motion
Total questions: 25
Worksheet time: 7mins
Newton's first law of motion is also known as
Law of conservation of momentum
Law of inertia
Law of universal gravitation
None of these
In SI system unit of force is
metre
newton
joule
dyne
Which one is not a scalar quantity
mass
length
volume
momentum
Motion rocket is space is the example of :
I law of motion
II law of motion
III law of motion
None of these
The second law of motion gives a relation b/w
Mass and velocity
Velocity and speed
Acceleration and speed
Force and acceleration
Motion can not be produced in a body without:
Mass
Weight
Force
Velocity
If the force acting on a body is doubled, then the acceleration produced is
halved
doubled
quadrupled
remains same
The inertia of a body depends on
weight of the object
acceleration due to gravity of the planet
mass of the object
Both a & b
Newton’s III law is applicable to
for a body is at rest
for a body in motion
both a & b
only for bodies with equal masses
Plotting a graph for momentum on the X-axis and time on Y-axis. The slope of the momentum-time graph gives
Force
Impulsive force
Rate of force
Acceleration
One kilogram force equals to
9.8 dyne
9.8 x 104 N
98 x 104 dyne
980 dyne
To project the rockets which of the following principle(s) is /(are) required?
Newton’s third law of motion
Newton’s law of gravitation
Law of conservation of linear momentum
Both (a) and (c)
Passengers lean forward when the sudden brake is applied in a moving vehicle. This can be explained by
inertia of rest
inertia of motion
inertia of direction
None
The SI unit of momentum is
kg m s
kg m s-1
kg m2 s-1
kg m-1 s-1
____ is the study of moving bodies under the action of forces.
Statics
Optics
Dynamics
Mechanics
The linear momentum measures the impact of a ____ on a body
mass
force
momentum
acceleration
____ law of Newton gives the definition of force
I
II
III
Gravitatinal
Two or more forces of equal or unequal magnitude acting along same direction parallel to each other are called
like parallel
unlike parallel
balanced
unbalanced
The velocity which is sufficient for a body to just escape from the gravitational pull of the earth is called
(a)
1 N = ____ dyne
103
104
105
106
1 N is equal to
kg m s-1
kg m s2
kg m s-2
kg m2 s-1
The amount of matter contained in a body is called (a)
Weight is ____ quantity
scalar
fundamental
vector
both b and c
The SI unit of weight is
(a)
Linear momentum is product of mass and (a)
