Advertisements
Advertisements
Question
Give a reason for the following.
Vehicles skid on muddy and wet roads. Suggest what type of tires can prevent skidding of vehicles?
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
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 ______.
Write true or false.
The frictional force acts in the direction of motion of body
State the effect produced by a force in the following case:
The sling of a rubber catapult is stretched
Name the type of force which act in the following case:
A coolie lifts a luggage
What do you understand by the term friction?
Which offers more friction on a body: a glass surface or a wooden surface?
It is difficult to walk on a wet road. Explain.
Tick the most appropriate answer.
Which of the following is not an effect of force?
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.
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.

