Q12 of 25 Page 69

Fig.12.3 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?

No, the box will not experience any force of friction because the force applied by both the boys is equal. Thus, the net (total) force on the box will be zero. As a result, there will be zero force of friction.


More from this chapter

All 25 →
10

Will force of friction come into play when a rain drop rolls down a glass window pane?

 11

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 skid while moving through a patch of the road which has lubricating oil spilled over it?

 13

Imagine that an object is falling through a long straight glass tube held vertical; air has been removed completely from the tube. The object does not touch the walls of the tube. Will the object experience any force of friction?

 14

You might have noticed that when used for a long time, slippers with rubber soles become slippery. Explain the reason.