Question
If an object starts moving and if there is no friction
at all, what happens?Solution
Friction : • The force of friction always acts in a direction opposite to that in which the body tends to move, which means against the direction of the force. • Till the limiting value is reached, the magnitude of friction is exactly equal to the force which tends to move the body. • The magnitude of the limiting friction bears a constant ratio to the normal reaction between the two surfaces. • The force of friction depends upon the roughness/smoothness of the surfaces. • The force of friction is independent of the area of contact between the two surfaces. • If objects start moving and there is no friction the object can never stop.
Statements : Some sticks are canes
All canes are rods.
All rods are pipes.
Conclusions :
I. Some sticks are rods.
...
Statements:
All mangos are apples
Only a few apples are bananas
Some bananas are not guavas
Only a few guavas are orange
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements: Some flower are plant.
All plant are trees.
Some trees are not forest.
Conclusions: I. some forest are flower.
...Three statements are given followed by three conclusions numbered I, II and III. Assuming the statements to be true, even if they seem to be at varianc...
- In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if they ...
- Statements:
All Serial are Channel.
Some Serial are Button.
Only a few Button is Remote.
Conclusions:
I. All Serial... Read the given statements and select which of the conclusions given in the options logically follows from the statements.
Statements:
A...
Statements: Some doors are rods.
               Some rods are curtains.
            ...
Statements:
Only friend are group
Some friend are loyal
All loyal are honest
Conclusions:
I. Some honest are friend
