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प्रश्न
Select the correct alternative.
A force does not change
विकल्प
mass
length
shape
state of motion.
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उत्तर
mass
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संबंधित प्रश्न
Give two examples of situations in which applied force causes a change in the shape of an object.
What effects can a force have on a moving body?
Give one example of deforms a body to indicate that the application of a force?
Name the type of force which act in the following case:
A bicycle comes to rest slowly when the cyclist stops pedaling
Name the type of force which act in the following case:
A stone falls from a roof
Name the type of force which act in the following case:
A horse moves a cart
Name the type of force which act in the following case:
A magnet attracts an iron pin
Answer the following in short.
What will happen to an object if two equal forces act on it in opposite directions?
Solve the following numerical problem.
Two force of 12 N and 25 N act on a body to the left-hand side, while another force of 35 N acts on it to the right-hand side. Find the resultant of the forces.
Two balls of the same size but of different materials, rubber and iron are kept on the smooth floor of a moving train. The brakes are applied suddenly to stop the train. Will the balls start rolling? If so, in which direction? Will they move at the same speed? Give reasons for your answer.
