Advertisements
Advertisements
प्रश्न
State if the following statement is true or false. Correct the statement if it is false.
Tires of vehicles are provided with grooved designs to decrease friction.
विकल्प
True
False
Advertisements
उत्तर
False.
Tires of vehicles are provided with grooved designs to increase friction.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative.
A force does not change
Give one example of changes the direction of motion to indicate that the application of a force?
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:
An apple falls from a tree
Define the term “weight of a body”
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
Squeezing out the juice from an orange.
Identify the agent exerting the force, the object on which the force is acting and the effect of the force in the following situation
A child jumping to a height.
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.
During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is ______.
