nkeledeborah75 nkeledeborah75

13-03-2022
Physics

contestada

1.2
A brick slides on a rough horizontal surface. Which ONE of the following
actions will increase the frictional force acting on the brick?
A. Decreasing the surface area of contact
B. Increasing the surface area of contact
C. Putting a second brick on it
D. Decreasing the mass of the brick
10-H
IS

Respuesta :

okoliestella980 okoliestella980

13-03-2022

Answer:

B

Explanation:

Because it has to increase

Answer Link

quitestudious quitestudious

13-03-2022

C. Putting a second brick on it

force of friction = mu (coefficient of friction) * normal force

normal force = mass * force of gravity

In order to increase the frictional force, mass must be added to increase the normal force and thus the amount of applied friction.

Answer Link

Otras preguntas

Why could the writer not take in 'any of the words' from the books?

Which of the following statements about public goods is false? Public goods are available to everyone in society. All of the benefits in producing public goods

Which of the following is the correct labeling of a solution that contains 2.3 mol of sugar in 3.5 L of solution?

If u(x) = x⁵ – x4 + x² and v(x) = –x², which expression is equivalent to (U/V) (x)?a) x³ – x²b)–x³ + x²c)–x³ + x² – 1d)x³ – x² + 1

What volume in ml of 0.300m naf would be required to make a 0.0540 m solution of naf when dialuted to 250.0ml with water?

List specific examples on how the EYLF is demonstrated in the service's vision and principles and how is it demonstrated in the centre?

Structural genes code for _______. a. gene expression elements b. transfer RNA molecules c. cellular proteins d. ribosomal RNA molecules

. What do the following plant organs look like when they are NOT modified? In other words, what are the tell-tale signs of each organ. a) Leaf (2) b) Stem (3) c

What is the break-even point, gross profit margin, and net profit margin? a) Break-even point: Total Fixed Costs / (Selling Price per Unit - Variable Cost per U

In a drama, how do audiences learn about a character? Select four answers. through the character’s own words through what other characters say through narratio