National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 6

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
A

Ans 2:

Class : Class 5
A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
A

Ans 2:

Class : Class 4
A

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Subject :NSO    Class : Class 4

A toy car is released from point Q of the ramp and travels towards point P. What is/are the force(s) responsible for pulling the car towards point P?

(A) Weight of the car
(B) Earth’s gravity
(C) Earth’s magnetic field
(D) Frictional force between the wheels and the ramp

A (B) only
B (A) and (B) only
C (B) and (D) only
D (A), (B), (C) and (D)


weight of the car should not be called a force. Gravity is the only force that is pulling the car here. answer should be A

Ans 1:

Class : Class 5
I thought the answer is c because every option makes the car move.

Ans 2:

Class : Class 7
The answer is WRONG

Ans 3:

Class : Class 4
the answer should be C ... it can never be A ... Master answer pleeeeeese explain

Ans 4:

Class : Class 4
How can it be weight of the car?

Ans 5:

Class : Class 5
Sorry ,i thought d instead of c.

Ans 6:

Class : Class 4
Q is wrong, as earth's gravity is due to its magnetic force. the correct answer is a, b, and c.

Ans 7:

Class : Class 3
I agree with harry potter from hotle California,california.

Ans 8:

Class : Class 4
How come?Please explain

Ans 9:

Class : Class 4
B

Ans 10:

Class : Class 4
Solution is wrong.

Ans 11:

Class : Class 4
how is it A

Ans 12:

Class : Class 4
A weight of car not option

Ans 13:

Class : Class 4
Please explain this I did not understand

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Subject :NSO    Class : Class 4

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4
YES D

Ans 2:

Class : Class 5
I thought the answer is c

Ans 3:

Class : Class 4
D

Ans 4:

Class : Class 6
A hand blender runs on electricity. When it is switched on, its blades rotate and a sound is also produced as the motor starts. Thus, electrical energy changes into kinetic energy and sound energy.

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
THERE IS NO CORRECT ANSWER IN THIS QUESTION!!!!!!

Ans 2:

Class : Class 7
C is NOT THE ANSWER

Ans 3:

Class : Class 7
not cit is b

Ans 4:

Class : Class 6
it is d not c

Ans 5:

Class : Class 6
B

Ans 6:

Class : Class 6
C no.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
It's wrong because Football is an outdoor game and chess is an indoor game so the ans is "C"

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Subject :NSO    Class : Class 2

Ans 1:

Class : Class 7
The ans,shoud be d

Ans 2:

Class : Class 2
A bottle gourd is a climber not a creeper. so the answer should be- D

Ans 3:

Class : Class 2
oggy

Ans 4:

Class : Class 2
it is a corn not a bottle gourd so it should be a!

Ans 5:

Class : Class 2
A bottle gourd is a climber. So D option is correct

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