DianSharrar DianSharrar

29-08-2014
Physics

Answered

Sophia exerts a steady 40-N horizontal force on a 8-kg box resting on a lab bench. The box slides against a horizontal friction force of 24 N. Show that the box accelerates at 2 m/s2.

Answer :

TaylorBayley TaylorBayley

29-08-2014

f=ma where f is force, m is mass, and a is acceleration.

The net force is 40-24=16N and the box is 8kg.

You can rearranage f=ma to make a the subject by dividing by m, so f/m=a

16/8=2m/s^2

Answer Link

Other Questions

6) Lunch furnishes 8 mg of the minimum daily requirement (MDR) for iron, while the other meals furnish 10 mg of the MDR. Write the ratio (in lowest terms) of th

which layer of the earth is where weather occurs

A horizontal force of 200N is applied to a 55kg cart across a 10m level surface. If the cart accelerates at 2.0m/s^2, then what is the work done by the force o

Imagine an astronaut with a mass of 70 kg floating in space 10.0 m away from the center of gravity of an Apollo command module whose mass is 6.00× [tex] 10^{3

Find the least common denominator (LCD) for the fractions. 1/6 and 3/10 A. 2 B. 10 C. 30 D. 60

Name the process in animals which require meiosis to take place

You are downloading a song. The percent y(in decimal form) of megabytes remaining to download after x seconds is y=-0.1x+1. Interpret the x- and y- intercepts.

1/4x+3/4y=1 graph linear equation

thermosoftening polymers can be used to make plastic bottles and food packaging 1) the reaction to produce polymers uses a catalyst why does the catalyst wor

Explain the causes of war, giving examples of recent conflicts.