Q6.44Multiple choice
A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 30° by a force of 10 N parallel to the inclined surface (Fig. 6.15).The coefficient of friction between block and the incline is 0.1. If the block is pushed up by 10 m along the incline, calulate
This question refers to a figure in the original PDF.
- (a)work done against gravity
- (b)work done against force of friction 30
- (c)increase in potential energy
- (d)increase in kinetic energy Fig. 6.15 (e) work done by applied force.