1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vivado [14]
4 years ago
10

You could increase the mechanical efficiency of this screw by

Physics
1 answer:
Nutka1998 [239]4 years ago
4 0
Using a shorter screw driver or a drill
You might be interested in
During an experiment, a scientist places a heat lamp above a bowl of water and uses the lamp to heat up the water. How does heat
alexandr402 [8]

Answer:

radiation

Explanation:

6 0
3 years ago
Read 2 more answers
What happens to the magnetic field lines if like poles are repelling?
Elza [17]
The north and North Pole or the south and the South Pole are facing each other which is causing them to repel
8 0
4 years ago
Read 2 more answers
Small blocks A and B are held at rest on a smooth plane inclined at 30° to the horizontal. Each is held in equilibrium by a forc
Olin [163]
<h3><u>Answer</u> :</h3>

First of all, See the attachment for better understanding.

<u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u><u>_</u>

❂ <u>Weight of block A</u> :

➝ mg sin30° = 18

➝ W (1/2) = 18

➝ W = 18×2

➝ <u>W = 36N </u>

❂ <u>Weight of block B</u> :

➝ N sin30° = 18

➝ (Mg cos30°) sin30° = 18

➝ W' (√3/2)(1/2) = 18

➝ W' (√3/4) = 18

➝ W' = 72/√3

➝ <u>W' = 41.61N</u>

5 0
3 years ago
If this speed is based on what would be safe in wet weather, estimate the radius of curvature for a curve marked 70 km/h . The c
olganol [36]

as it is given that curved marked the speed as v = 70 km/h

so we will first convert the speed into m/s

v = 70 km/h = 19.44 m/s

now we know that here friction force will provide centripetal force

F_c = F_f

As we know that centripetal force is given as

F_c = \frac{mv^2}{R}

\frac{mv^2}{R} = \mu_k mg

\frac{v^2}{R} = \mu_k g

v^2 = \mu_k R * g

19.44^2 = 0.5* R * 9.8

378 = 4.9 * R

R = 77.1 m

3 0
4 years ago
Read 2 more answers
What causes an electric current in a wire?
nexus9112 [7]
The correct answer is B. Electrons flow because of electrical attraction and repulsion.
7 0
4 years ago
Other questions:
  • What is a Ramjet engine?
    6·1 answer
  • When observing a group of children at a daycare center, Emily made the following observations: Five year old children played in
    13·2 answers
  • Charge is distributed throughout a spherical shell of inner radius r1 and outer radius r2 with a volume density given by rho = r
    11·1 answer
  • An object with mass m moving in a circle of radius r with speed v has linear momentum of magnitude mv and an angular momentum of
    9·1 answer
  • In what setting do all frequencies of electromagnetic waves travel at the same speed?
    13·1 answer
  • Two point charges +3 micro coulomb and +8 micro coulomb repel each other with a force of 40N . If a charge of -5 micro coulomb i
    13·1 answer
  • What describes what momentum is?
    12·1 answer
  • Is my girl pretty 〖〗Fonts for iPhone &amp; Android - www.fontskeyboard.com/share( ˘ ³˘)♥︎༼ つ ◕◡◕ ༽つ
    14·1 answer
  • You fire a projectile 35° above horizontal with an initial velocity of 200m/s. It lands in a valley 300m below the launch point.
    8·1 answer
  • What psychology tries to find the best ways to design products for people to use
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!