01
WICUIII
and
gravitational force.
Write answers to the following
questions in your own words.
(a) What are the things that can be
/ done by applying force?
(b) What is meant by weight?
(c) Which machines run on muscular
force?
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Answer:
(a) force can make a moving object stop, force can change the direction of a still or a moving object ,force can change the speed of a moving object, force can change the shape of an object.
(b)weight is a force caused by gravity. because it is a force, it is also measured in Newton (N) .it is the gravitational force between the objects and Earth. an object will have greater weight if it has more mass.
(c) Bicycle, sewing machine, hand-loom machine.
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