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CBSE - VIII - Science - Force and Pressure
Explain field force
Asked by r68091982
19th April 2024,
7:32 PM
CBSE - VIII - Science - Force and Pressure
How does kite fly on sky they have no gravitational force
Asked by aryupal.rpal
17th January 2022,
9:45 PM
CBSE - VIII - Science - Force and Pressure
According to Newton's 3rd law,every action has it's own opposite but equal reaction. Then what will be the Reaction of the action of Gravitional force?
Asked by rajjeets030
11th August 2021,
11:08 PM
CBSE - VIII - Science - Force and Pressure
what is field force
Asked by kudipudibalasai
28th July 2021,
8:16 PM
CBSE - VIII - Science - Force and Pressure
define gravitational force
Asked by abkdhruv18
17th June 2020,
12:17 PM
CBSE - VIII - Science - Force and Pressure
what is non contact force
Asked by tronak75439
19th February 2020,
9:53 PM
CBSE - VIII - Science - Force and Pressure
How can we say that force is an interaction between 2 objects if non contact force is also there?
Asked by kirtigore63
4th September 2019,
6:49 PM
CBSE - VIII - Science - Force and Pressure
How gravitational force is used widely in our everyday life?
Asked by kailashdanrav
8th June 2017,
10:30 AM
CBSE - VIII - Science - Force and Pressure
How magnets are used to recycle iron objects?
Asked by Topperlearning User
28th July 2016,
9:37 AM
CBSE - VIII - Science - Force and Pressure
Why the weight of any object on the moon is one-sixth of its weight on earth?
Asked by Topperlearning User
28th July 2016,
9:36 AM
CBSE - VIII - Science - Force and Pressure
A rocket has been fired upwards to launch a satellite in its orbit. Name the non contact force acting downwards on the rocket immediately after leaving the launching pad.
Asked by Topperlearning User
28th July 2016,
9:34 AM
CBSE - VIII - Science - Force and Pressure
Give an example of a non contact force which is always of attractive nature.
Asked by Topperlearning User
28th July 2016,
9:28 AM
CBSE - VIII - Science - Force and Pressure
How does the magnitude of a non contact force like gravity acting on two bodies depend on the distance of separation between them?
Asked by Topperlearning User
28th July 2016,
9:26 AM
CBSE - VIII - Science - Force and Pressure
What is the difference between contact and non-contact forces?
Asked by Topperlearning User
28th July 2016,
8:59 AM
CBSE - VIII - Science - Force and Pressure
Is nuclear force a non contact force?
Asked by Topperlearning User
28th July 2016,
8:38 AM
CBSE - VIII - Science - Force and Pressure
The second's hand of a watch is 2cm long. The speed of the tip of the second's hand is:
a, 0.21 cm/s
b, 2.1 cm/s
c, 21 cm/s
d, 0.021 cm/s
explain in detail
Asked by shrinilassp
7th November 2015,
9:48 PM
CBSE - VIII - Science - Force and Pressure
Is there a gravitational force of attraction between two books lying on the table? If yes, why do we not see the books moving towards each other?
Asked by Shawn
11th September 2015,
11:07 AM
CBSE - VIII - Science - Force and Pressure
explain the noncontact forces?
Asked by Harshita Singh
28th June 2014,
12:12 PM
CBSE - VIII - Science - Force and Pressure
(i) Mention any three points to give the importance of gravitational force.(ii) Is muscular force a type of contact force?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Force and Pressure
(i) What happens when we rub a plastic object like a pen or a comb with hair? Which type of force is operating in this case? (ii) Why are skis used to glide over snow?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Force and Pressure
Why does an object always fall downwards and not upwards?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Force and Pressure
Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Force and Pressure
What happens when two magnets are brought near each other?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - VIII - Science - Force and Pressure
Name the type of force which acts in each of the following cases? 1. A stone falling downward. 2. A plastic ruler on being moved through dry hair, is brought near dry pieces of straw. 3. Attraction of common pins towards magnet.
Asked by Topperlearning User
9th May 2014,
1:22 PM
CBSE - VIII - Science - Force and Pressure
What do we call such forces that do not require any physical contact with the object on which they act? Give two examples of such forces.
Asked by Topperlearning User
9th May 2014,
11:02 AM
CBSE - VIII - Science - Force and Pressure
What is gravitational force? Give two examples from your daily life.
Asked by Topperlearning User
9th May 2014,
10:46 AM
