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Question-1
While playing football, the ball is passed from player to player at different speeds. It is possible because of
(A)
players expertise
(B)
the ground
(C)
gravitational pull
(D)
force
Question-2
If we apply force on a moving object in the same direction, the speed of the object
(A)
decreases
(B)
remains the same
(C)
increases
(D)
increases or decreases
Question-3
The energy used for cycling comes from
(A)
the chemical energy of food
(B)
the heat energy of our body
(C)
the sound energy
(D)
the light energy
Question-4
Which one of the following cannot be done by using muscular force?
(A)
Changing the direction of a moving body
(B)
Stopping a moving body
(C)
Changing or decreasing the speed of a body
(D)
Increasing or decreasing the speed of a body
Question-5
Which energy conversion takes place during photosynthesis?
(A)
Heat energy to Light energy
(B)
Light energy to Heat energy
(C)
Light energy to Chemical energy
(D)
Heat energy to Chemical energy
Question-6
Radha pushed a wall but failed to move it then
(A)
energy is not spent but work is done
(B)
energy is spent but work is not done
(C)
energy is not spent and work is not done
(D)
energy is spent and work is done
Question-7
An electrical heater converts
(A)
heat energy to electrical energy
(B)
electrical energy to heat energy
(C)
light energy to electrical energy
(D)
electrical energy to muscular energy
Question-8
Electrical energy can be produced by
(A)
coal
(B)
water
(C)
uranium
(D)
all the above
Question-9
A goal keeper stopped a moving ball by applying force. What inference can you draw this example ?
(A)
The ball was slow
(B)
Force applied by goal keeper is more than the force with the ball was moving
(C)
Force can stop a moving object
(D)
The ball stopped due to frictional force
Question-10
When we throw a ball into the air, it falls back. The force responsible for this is
(A)
muscular force
(B)
gravitational force
(C)
mechanical force
(D)
None of these
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Std 5
ICSE/ISC
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