
momentum - circular motion
Authored by ahmed elsayed
Physics
1st Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A body of mass 40 Kg is placed on the surface of the moon , then its weight on the earth = .............. knowing that ( gearth = 10 m/s2 and gmoon = 1.6 m/s2 )
400
392
66
60
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sand truck moves in a highway under the effect of constant force , if the sand leaked gradually through a hole in the truck , then the truck's acceleration will ..........
decrease
increase
remains constant
decrease then increase
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
the ratio between the acting force on a body and its mass according to Newton's second law is ..................
0.5 a
a
1.5 a
2 a
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Player applies force 100 N on a ball of mass 5 Kg over a time period 1.5 s before he release the ball , if the ball starts from rest , so what will be its final velocity ?
5
10
20
30
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A racing car can accelerate by changing
its direction only
its speed only
either its direction or speed
its direction and speed
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
an object of mass 0.5 Kg at rest , started to fall from a height of 180 Cm from the surface of the earth . so its momentum when it reaches the earth's surface is ..............
3 Kg.m/s
5 Kg.m/s
6 Kg.m/s
9 Kg.m/s
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
An aircraft moves in a horizontal loop of radius 1 Km with a steady speed of
250 m/s , so its centripetal acceleration = ................
9.2
6.25
5
8.25
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