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प्रश्न
Answer the following in a word or two or in a sentence.
Give an example in which a force can change the direction of an object.
उत्तर
A moving bicycle changes its direction when a force is applied to steer its handle.
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संबंधित प्रश्न
Write true or false.
The frictional force acts in the direction of motion of body
Fill in the blank.
On squeezing a gum tube, its ............. changes.
Select the correct alternative.
A force to be expressed correctly requires
What effects can a force have on a moving body?
Name the type of force which act in the following case:
A stone falls from a roof
Tick the most appropriate answer.
Which of the following is not an effect of force?
Tick the most appropriate answer.
Which of the following is a contact force?
Answer the following in short.
Why does a charged balloon stick to a wall?
Solve the following numerical problem.
Two persons are pushing a car with a force of 30 N and 70 N in opposite directions. Calculate the resultant force and its direction.
What is momentum? Write its SI unit. Interpret force in terms of momentum. Represent the following graphically
(a) momentum versus velocity when mass is fixed.
(b) momentum versus mass when velocity is constant.
