Question

(b) magnetic force
(d) atomic force
ose the correct answer.
e force acting on a moving ball is
e muscular force
c) frictional force
The relation between the force and work is given by the formula
(a) Force = work * displacement
(b) Work = force x displacement
(d) displacement = workforce
(d) work = force + displacement
The nailcutter is a kind of
(b) pulley
(c) wedge
(d) screw
Which of the following is not an example of wedge ?
(b) razor
(c) can opener (d) axe
5 The energy obtained by sun, wind or water is utilised to generate
(a) crops
(b) flowers
(c) electricity (d) leather
A Give short answers.
1 Name the force used to pull a trolley.
2 What are the various sources of energy,
(a) lever
(a) knife
de machines​

Answer 1

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