Advertisements
Advertisements
Question
Two blocks of iron of different masses are kept on a cemented floor as shown in the figure. Which one of them would require a larger force to move it from the rest position?
 |
 |
Solution
The block having mass 2 units will require larger force to move it from the rest position because friction force increases as the mass of object increases and hence larger mass require a larger force to move from the rest position.
APPEARS IN
RELATED QUESTIONS
Sprinkling of powder on the carrom board ______ friction.
Alida runs her toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be
Will force of friction come into play when a rain drop rolls down a glass window pane?
Two boys are riding their bicycles on the same concrete road. One has new tyres on his bicycle while the other has tyres that are old and used. Which of them is more likely to slip while moving through a patch of the road which has lubricating oil spilled over it?
Figure shows two boys applying force on a box. If the magnitude of the force applied by each is equal, will the box experience any force of friction?
Cartilage is present in the joints of our body which helps in their smooth movement. With advancing age, this cartilage wears off. How would this affect the movement of joints?
Two friends are trying to push a heavy load as shown in the figure below. Suggest a way which will make this task easier for them.
Which of the following increases friction?
Name the material which is used to reduce friction.
Give two examples to reduce friction.
