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10 questions
What is gravity?
a pulling force between two objects
the ability to do work
What is friction?
a force that slows or stops an object in motion
stored energy that is ready to be used
What is work?
when a force changes an object's motion or moves an object
a force that attracts of repels
What is energy?
the ability to do work
a pulling force between two objects
What is a force?
a push or a pull
a force that slows or stops an object in motion
True or False
Forces stop motion, start motion, speed and slow motion, or change the direction of motion.
true
false
Rubbing your hands together is a simple example of ___.
friction
work
potential
Why does an apple fall down when it gets detached from the tree?
Because it likes the ground
Due to gravitational force
Both
None of these
A football is kicked by a boy. It rolls on the ground to some distance and stops. The force which stops the ball is _______.
muscular force
gravitational force
mechanical force
frictional force
Read the statements carefully and choose the correct option.
Statement A: We get energy from food we eat.
Statement B: We need energy to do work.
Statement A. is correct B is wrong
Statement B is correct A is wrong.
Both the statements are correct.
Both the statements are wrong.
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