Find out the reading of the weighing machine in the following cases.
- A$10 \sqrt{2}$
- B$20 \sqrt{3}$
- C$10 \sqrt{3}$
- D$30 \sqrt{3}$
Similar Questions
A pebble of mass $0.05\; kg$ is thrown vertically upwards. Give the direction and magnitude of the net force on the pebble,
$(a)$ during its upward motion,
$(b)$ during its downward motion,
$(c)$ at the highest point where it is momentarily at rest.
Do your answers change if the pebble was thrown at an angle of $45^o$ with the horizontal direction? Ignore air resistance.
A pebble of mass $0.05\; kg$ is thrown vertically upwards. Give the direction and magnitude of the net force on the pebble,
$(a)$ during its upward motion,
$(b)$ during its downward motion,
$(c)$ at the highest point where it is momentarily at rest.
Do your answers change if the pebble was thrown at an angle of $45^o$ with the horizontal direction? Ignore air resistance.
In the figure the reading of the spring balanced will be $......\,N$ $\left[ g =10 m / s ^2\right]$
The horizontal acceleration that should be given to a smooth inclined plane of angle $sin^{-1}\, (1/l)$ to keep an object stationary on the plane relative to the inclined plane is
The horizontal acceleration that should be given to a smooth inclined plane of angle $sin^{-1}\, (1/l)$ to keep an object stationary on the plane relative to the inclined plane is
Which of the following groups of forces could be in equibrium
Which of the following groups of forces could be in equibrium
An $80\, kg$ person is parachuting and is experiencing a downward acceleration of $2.8\, m/s^2$. The mass of the parachute is $5\, kg$. The upward force on the open parachute is ........... $N$ (Take $g = 9.8\, m/s^2$)
An $80\, kg$ person is parachuting and is experiencing a downward acceleration of $2.8\, m/s^2$. The mass of the parachute is $5\, kg$. The upward force on the open parachute is ........... $N$ (Take $g = 9.8\, m/s^2$)
- [AIIMS 2009]