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21 questions
_______________ is the amount of matter in an object.
Mass
Weight
Volume
Force
What is the net force?
20 N
0 N
400 N
40 N
A boy applies a pushing force on a ball thrown into the air. What applies a pulling force on the ball at the same time?
Gravity
The height of the boy
Friction
The mass of the ball
Which word describes a push or pull on an object?
position
speed
mass
force
What is the force that slows down or eventually stops an object's motion?
gravity
push
motion
friction
A fan is turned off in the living room. The fan slows down and comes to a rest as the force become ______________
frictional
unbalanced
balanced
restricted
If two boys are pulling a rope from opposite directions with the same amount of force what will happen?
The boy in blue will win
The boy in green will win
They will not move at all
Both will fall down
Who discovered gravity?
Isaac Newton
Benjamin Franklin
Albert Einstein
Aaron Abel
A student places a ball on the ground and kicks it hard. The ball moves along the ground. Which statement is true?
The kick decreases the weight of the ball.
The kick decreases the force of gravity acting on the ball.
The kick applies force which changes the direction of the ball.
The kick removes friction between the ball and the ground.
Balanced or unbalanced?
Balanced
Unbalanced
What are balanced forces?
forces of the same size, in opposite directions
forces in opposite directions
the same size in the same direction
forces at right angles to each other
Two forces on an object are in opposite directions. How do we calculate the resultant force?
Divide one by the other
Find the difference between them
Multiply them
Add them together
What is the other name for 'Drag'?
Gravity
Speed
Air Resistance
Weight
Which among the following is friction not useful?
between axle and wheel
between the shoes and the floor
between the tyres and the road
to grip or hold a pen
When two forces acting on an object are in the same direction. How do we calculate the resultant force?
Divide one by the other
Find the difference between them
Multiply them
Add them together
Which of the following objects cannot be moved by a magnet?
A paper clip
A nail
A toothpick
A staple
Magnetism is a __________ force.
This pair of magnets will...
Magnets can produce...
A pushing force only
A pulling force only
A pulling force and a pushing force
No force
True or false?
Magnetism is a non-contact force.
True
False
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