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.
पर्याय
True
False
उत्तर
False.
Tires of vehicles are provided with grooved designs to increase friction.
APPEARS IN
संबंधित प्रश्न
Write true or false.
A force can change the direction of motion of a moving body.
Fill in the blank.
On applying brakes on a moving car, its speed .........................
Give one example of force as a squeeze
State the effect produced by a force in the following case:
A cyclist applies brakes
What do you understand by the term friction?
In which case will there be more friction between the truck and the road: when the truck is empty or when it is loaded?
Solve the following numerical problem.
Two horses pull a cart in the same direction with a force of 500 N each. Find the resultant force acting on the cart.
Give a reason for the following.
Vehicles skid on muddy and wet roads. Suggest what type of tires can prevent skidding of vehicles?
Name the type of force which act in the following case:
A string hangs with a load.
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.
