3 years ago

What are the disadvantages of friction ?

1 answer:

8 0

In general? Well one example could be that if you owned an ice rink and somehow the ice had friction, you wouldn't be able to slide around on it any more to skate because the motion between one solid (your feet) and another (the ice) would increase. An effect of friction is heat, but my mixtape already fire so whats that even matter tbh.

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You exert a force of 25 newtons while you move a rock 15 meters. How much work did you perform?

leonid [27]

Work Done = Force x Distance Moved
Work Done = 25 x 15 = 375 Joules

4 0

3 years ago

A 120 kg box is on the verge of slipping down an inclined plane with an angle of inclination of 47º. What is the coefficient of

Alex_Xolod [135]

Given :

A 120 kg box is on the verge of slipping down an inclined plane with an angle of inclination of 47º.

To Find :

The coefficient of static friction between the box and the plane.