Question

(Answer all questions)
Fill in the blanks:
(1x10
1.
Ice melts at
Friction always
the relative motion.
is the resulting force exerted by the machine.
When a number of rays travel together in one direction, it is called a
of light.
The magnetic strength and polarity of a
magnet cannot be ch
The space occupied by a two-dimensional figure is called
of tha
Pushing a chair - is an example of
force.
For an
machine, the total output energy must be equal to the to
energy.
The clarity and length of a shadow depends on the
of the ligh
The conversion of an ordinary piece of magnetic material (like iron, ste​

Answer 1

Answer:

Fill in the blanks: (a) Friction opposes the ______ between the surfaces in contact with each other. (b) ...

PHYS-91; Short Answer: A certain machine exerts a force of 200 newtons on a box ... PHYS-91; Multiple Choice: If the resultant force acting on a body of constant ...

Explanation:

Q1) Write true or false for each statement : (a) The frictional force acts in the direction of motion of the body. (b) The unit of weight is kilogram. ...