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प्रश्न
Give a reason for the following.
Vehicles skid on muddy and wet roads. Suggest what type of tires can prevent skidding of vehicles?
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उत्तर
Vehicles slip/skid on muddy and wet roads as the roads become smooth and offer less friction to the tyres. Tyres are therefore grooved or treaded to make their surface rough so that the friction between the tyres and the road increases and vehicles may stop easily when desired.
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संबंधित प्रश्न
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms.
To stretch the bow, the archer applies a force that causes a change in its ______.
Fill in the blank.
Friction ....................... the motion.
Give one example of stops motion to indicate that the application of a force?
Give one example of slows down motion to indicate that the application of a force?
State the effect produced by a force in the following case:
A cyclist applies brakes
Name the type of force which act in the following case:
A bicycle comes to rest slowly when the cyclist stops pedaling
What do you understand by the term friction?
State if the following statement is true or false. Correct the statement if it is false.
Gravitational force is a contact force.
Solve the following numerical problem.
The forces acting on a wooden block are shown in the figure given alongside. Find the resultant of the forces and the direction of the resultant force.
Give a reason for the following.
Boats and ships have streamlined shapes?
