Question

Mahira first slides a box of 5 kg from an inclined surface. Then she pushes the same box
on a plane straight surface to place it in its desired location. In which of the two cases will
she need to apply more force and why?

Answer 1

Answer:

N

1

=60 N

2

=40

a

1

=

5

10

3

−0.2×60

=1.064 a

2

=

5

10

3

−0.2×40

=1.86

a

2

−a

1

=0.8

solution