A wooden block is taken to the bottom of a deep, calm lake of water a – McqOptions

MCQOPTIONS

1.	A wooden block is taken to the bottom of a deep, calm lake of water and then released. It rises up with a ___________
A.	Constant acceleration
B.	Decreasing acceleration
C.	Constant velocity
D.	Decreasing velocity
Answer» B. Decreasing acceleration

Discussion

No Comment Found

Related MCQs

Submarines use principle of ‘neutral buoyancy’ to go into the water.
As a balloon rises in the air its volume increases, at the end it acquires a stable height and cannot rise any further.
Assertion: A needle placed carefully on the surface of the water may float, whereas a ball of the same material will always sink.Reason: The buoyancy of an object depends both on the material and shape of the object
The water droplets in free fall are spherical due to ___________
A wooden block is taken to the bottom of a deep, calm lake of water and then released. It rises up with a ___________
Spherical balls of radius R are falling in a viscous fluid of viscosity Ƞ with a velocity v. The retarding viscous force acting on the spherical ball is ___________
A boat having a length of 3m and breadth 2m is floating on a lake. The boat sinks by one cm when a man gets on it. What is the mass of the man?
A solid weight 6kg in air. If its density is 2000kgm-3, what will be its apparent weight in water?
Assertion: A hydrogen filled balloon stops using after it has attained a certain height in the sky.Reason: The atmospheric pressure decreases with height and becomes zero when maximum height is attained.
When the temperature is increased, the angle of contact of a liquid?