Last seen: May 7, 2021
There should be atleast two objects for a force to come into play.
Force is a push or pull on an object.
Electrostatic force.
(d) atmospheric pressure.
When we press the sucker, most of the air between its cup and the surface escapes out. The sucker sticks to the surface because the pressure of the at...
We observed that different streams of a waterfall at the same distance from the bottle. Thus, it indicates that liquids exert equal pressure at the sa...
Yes, the rubber tube bulge out and the bulging increases with the amount of water in the bottle. Thus, liquid exert pressure on the walls of the conta...
The amount of bulge in the rubber sheet increases with the height of the water column in the pipe. Thus, the pressure exerted by water at the bottom o...
A straw rubbed with paper attracts another straw but repels it if it has also been rubbed with a sheet of paper. The force exerted by a charged body o...
When unlike poles of the magnet are brought near the other magnet, they attract each other and moves in the direction of another magnet. When like pol...
Ball changes direction after it strikes the ruler. Thus, a force can change direction of motion of a moving object. (a) A ball set in motion by push...
When we push the ball along the level surface, the ball begin to move. When we push the ball again while it is still moving, increases its speed. Wh...
(i) The box moves with difficulty when we push alone but moves easily if helped by our friend. Thus, force applied on an object in the same direction ...
(d) atmospheric pressure
The forces that act when a rocket leaves launching pad are as follows: (i) Gravitational force of the earth (downward) (ii) Frictional force of ai...
Forces acting on bucket are as follows: (i) Muscular force of arms acting upward. (ii) Force of gravity acting downward. Both the forces do not ...
The force due to hammering causes the change in the shape of the iron and iron can be moulded in the shape of the required tool.
(a) Agents are fingers, object is lemon, effect of force changes the shape of lemon. (b) Agents are fingers of the person squeezing the tube, object...
(a) shape (b) muscular (c) contact (d) gravity, friction