sophia exerts a steady 40n horizontal force on a 8kg resting on a lab bench. the box slides against a horizontal friction of 24n

Question

maksim [4K]

3 years ago

9

sophia exerts a steady 40n horizontal force on a 8kg resting on a lab bench. the box slides against a horizontal friction of 24n

. show that the box accelerates at 2m/s 2

Physics

2 answers:

astraxan [27] · Answer 1 · 2021-12-08T21:10:49+03:00

astraxan [27]3 years ago

5 0

Force = 40 - 24 = 16N

Force = mass / acceleration

Acceleration = Force / mass

Acceleration = 16 / 8

Acceleration = 2 m/s^2

Fittoniya [83] · Answer 2 · 2021-12-08T23:14:17+03:00

Fittoniya [83]3 years ago

3 0

Force = 40 - 24
= 16N.

Thus, Force = 16N.

By deducing Newton's second law of motion,

F = MA

16 = 8A

Thus, A = 16/8 = 2 m/s²

Thus, the object accelerates at 2m/s²