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Rohit1998
Rohit1998
@rohit1998
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Joined: Jan 25, 2021
Last seen: May 7, 2021
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Topics: 2002 / Replies: 0
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Topic
How many objects should be present for a force to come into play?
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 137
Topic
Define force.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 137
Topic
An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 120
Topic
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper seems to escape in the form of bubbles.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 122
Topic
Take a good quality rubber sucker. It looks like a small rubber cup Fig. Press it hard on a smooth plane surface. Does it stick to the surface? Now try to pull it off the surface. Can you do it?
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 473
Topic
Take an empty plastic bottle or a cylindrical container. You can take a used tin of talcum powder or a plastic bottle. Drill four holes all around near the bottom of the bottle.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 613
Topic
Take a plastic bottle. You can take a discarded water or soft drink bottle. Fix a cylindrical glass tube, a few cm long near its bottom as shown in Fig. You can do so by slightly heating one end of the glass tube and then quickly inserting it near th...
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 145
Topic
Take a transparent glass tube or a plastic pipe. The length of the pipe/tube should be about 15 cm and its diameter should be 5-7.5 cm.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 678
Topic
Take a plastic straw and cut it into nearly two equal pieces. Suspend one of the pieces from the edge of a table with the help of a piece of thread Fig. Now hold the other piece of straw in your hand and rub its free end with a sheet of paper.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 443
Topic
Take a pair of bar magnets. Place the longer side of one of the magnets over three round-shaped pencils or wooden rollers as shown in Fig.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 460
Topic
Take a ball and place it on a level surface as you did in Activity. Make the ball move by giving it a push. Now place the ruler from your geometry box in its path as shown in Fig.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 260
Topic
Jake a rubber ball and place it on a level surface such as a tabletop or a concrete floor. Now, gently push the ball along the level surface Fig. Does the ball begin to move?
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 164
Topic
Choose a heavy object like a table or a box, which you can move only by pushing hard. Try to push it all by yourself. Can you move it? Now ask one of your friends to help you in pushing it in the same direction fig (a).
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 540
Topic
When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 91
Topic
A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 140
Topic
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.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 98
Topic
An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 168
Topic
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 112
Topic
Squeezing a piece of lemon between the fingers to extract its juice.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 175
Topic
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target.
4 years ago
Forum
Force and Pressure
Replies: 0
Views: 131
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