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WorksheetsLAWSOF MOTION
Total questions: 13
Worksheet time: 7mins
Unit of linear momentum
kg/m2
kgms-2
kgms-1
gcms-2
Identify the type of force in the above diagram
(a)
Two equal and unlike parallel force constitute.....
Torque
Inertia
Couple
A large force acting for a very short interval of time is called as
Inertia
momentum
moment of force
Impulse
Examples of couple force....
turning a tap
opening the door
spinning of a top
winding a screw
force =
mass x velocity
mass x acceleration
mass x perprndicular distance
mass x time
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 principles areb required?
Newton's II law of motion
Newton's law of gravitation
Newton's III law of motion
Law of conservation of linear momentum
By convention,the clockwise moments are taken as ________and anticlockwise moments are taken as________.
(a)
Impulse J=
ΔF
Δt
Δp
Δs
The velocity attained by the rocket which enables it to escape from the gravitational pull of the earth is called (a)
Unit of force in CGS system
newton
Nm2
cm s-2
dyne
Unit of impulse
Ns
Nm
Nm/s2
Nms-1
