PDF chapter test TRY NOW
1. With an appropriate illustration prove that the force acting on a smaller area exerts a greater pressure.
a. The formula to find pressure is \(/\)
b. Pressure is proportional to area.
2. Describe the construction and working of mercury barometer.
Answer:
a. Mercury barometer was invented by .
b. In , in Florence, Italy, he invented the first barometer.
3. How does an object’s density determine whether the object will sink or float in water?
Answer:
a. The object will float if its density is than the density of the liquid.
b. When the density of an object the density of a liquid, the thing sinks.
Register for free to see more content