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First Law of Motion

An ice cube h...

Question

An ice cube has been given a push and slides without friction on a level table. Which is correct?

A

It is in neutral equilibrium

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B

It is not in equilibrium

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C

It is in unstable equilibrium

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D

It is in stable equilibrium

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Solution

The correct option is A It is in neutral equilibrium
The ice cube is in neutral equilibrium. Its zero acceleration is evidence for equilibrium.

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Similar questions

Q. A book is lying on the horizontal table top. If we tilt the table a little, then the book starts sliding down slowly. This happens because:
(a) sliding friction is greater than static friction
(b) sliding friction is less than force of gravity
(c) static friction is greater than sliding friction
(d) force of gravity is less than sliding friction

Q. A cube is pushed in such a way that it slides on a horizontal surface. How can the frictional force acting on the cube be increased?

Q. Consider the following two statements A and B, and identify the correct choice in the given answer
A. For a body resting on a rough horizontal table, it is easier to pull at an angle than push at the same angle to cause motion.
B. A body sliding down a rough inclined plane of inclination equal to angle of friction has non-zero acceleration.

A cube is pushed in such a way that it is sliding on a horizontal surface. Frictional force acting on the cube can be increased by:

Q. A small block of ice with mass

0.120

kg is placed against a horizontal compressed spring mounted on a horizontal table top that is

1.90

m above the floor. The spring has a force constant

k = 2300

N/m and is initially compressed

0.045

m. The mass of the spring is negligible. The spring is released, and the block slides along the table, goes off the edge, and travels to the floor. If there is negligible friction between the ice and the table, what is the speed of the block of ice when it reaches the floor.

(g = 9.8 m / s^{2})

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First Law of Motion

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