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Year 3 Force and Motion
Author :
Star La
1.
An instrument used to measure the magnitude of force.
A
balance scale
B
spring scale
C
thermometer
2.
Symbol for the unit of force
A
A
B
N
C
W
3.
Who discovered gravity?
A
Teacher Kim
B
Isaac Newton
C
Issac Newton
4.
A pencil is _____.
A
moving
B
stationary
C
nothing
5.
Grams is used to measure light objects.
A
correct
B
incorrect
C
6.
A force that pulls everything towards the center of the earth.
A
gravity
B
push
C
pull
7.
A man is 36kg on earth. What is his weight on the moon?
A
4 kg
B
5 kg
C
6kg
8.
Changing of position from one place to another.
A
motor
B
motion
C
moton
9.
A push and pull action
A
gravity
B
force
C
motion
10.
It is the amount of the gravitational force acting on an object.
A
mass
B
weight
C
grams
11.
If the forces are applied _____, the object will not move.
A
unequally
B
equally
C
less
12.
Isaac Newton is an ______ scientist.
A
Thai
B
Italian
C
English
13.
to move an object away from you
A
force
B
pull
C
push
14.
We feel less tired when carrying something heavy.
A
correct
B
incorrect
C
maybe
15.
The mass of an airplane is greater than a truck.
A
correct
B
incorrect
C