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Updated on 10-Oct-2022 13:29:04Yes, the upward force acting on the gas-filled balloon will be larger than the force of gravity that causes the gas-filled balloon to move upward.
Updated on 10-Oct-2022 13:29:04Yes, the force of gravitation exists between two astronauts in space. According to the universal law of attraction, every small or large object exerts a force of attraction to other objects everywhere in the universe.
Updated on 10-Oct-2022 13:29:04When a dough ball is pressed in a chapati maker, it becomes chapati due to pressure. Pressure is an effect of force per unit area.
Updated on 10-Oct-2022 13:29:04The gravitational force of the earth is responsible for the downward motion of the parachute that attracts objects. If the man comes down without a parachute then the speed will not be the same as the air friction will be very less which will cause the speed of the man to become very high.
Updated on 10-Oct-2022 13:29:03Her friend should also push the box in the east direction so that as a result the magnitude of the force will increase and it will move faster in the same direction.
Updated on 10-Oct-2022 13:29:03In the circuit shown in the figure, when the key is closed, the compass needle placed in the matchbox deflects. It is the electromagnetic force that causes this deflection. When current starts flowing trough the wire, the a magnetic field is created around the wire that cause the needle to deflect.
Updated on 10-Oct-2022 13:29:02When a dough ball is pressed with a roller, it becomes chapati due to pressure. Pressure is an effect of force per unit area.
Updated on 10-Oct-2022 13:29:01The pressure is inversely proportional to the area on which the force is being exerted. When a brick is kept on a table in $(A)$ position, the area of contact will be minimum and the pressure exerted on the table will be maximum.So, option $(a)$ is correct.