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
ExtremeBDS [4]
3 years ago
11

On the basis, a given figure, calculate rfficiency of the lever. ​

Physics
1 answer:
daser333 [38]3 years ago
4 0

Explanation:

here,load=100N

effort=200N

distance travelled by load=2cm

distance travelled by effort=10cm

Now, output work=L*Ld

=100*2

=200g

Again,

input work =E*Ed

200*10

2000j

again, efficiency = output work/input work*100%

200/2000*100%

=10%

please don't forget to write symbol

You might be interested in
(BRAINLIEST)
tankabanditka [31]
  • Cm=C
  • Gram=G
  • s=S

ITs CGS unit.

Hence

  • CGS unit of Joules is erg.
  • 1J=1×10^7ergs

\\ \sf\longmapsto 15J=15\times 10^7ergs

4 0
3 years ago
Read 2 more answers
The Voltmeter reads 16 V. The ammeter reads 0.25 A. The resistance must be
harina [27]

Answer:

64 ohms =R

Explanation:

R is directly proportional to V

R is inversely proportional to I(Current

4 0
3 years ago
How does the jet stream affect the movement of air masses
ryzh [129]

Answer:

See the explanation below.

Explanation:

Jet streams are defined as the fast flowing meandering air currents in the atmosphere, they generally flow around ten kilometers from above the Earth's  surface and form at the boundaries of two air masses which have significant temperature difference within them, greater the temperature difference more significant and fast flowing will be the jet streams. Jet streams have a key role in determining the weather of given region as it separates warmer air mass with the colder air mass and hence move the weather system to new areas and sometimes it even stops at any particular place therefore determining or affecting the weather condition of the region. Depending upon seasons and other factors such as position of sun these jet streams also shift their patterns, for example, Weather and climatic condition of United Kingdom is largely affected by the movement of these Jet streams.

5 0
4 years ago
A robot that can move a hand left and right and rotate the hand 360º is said to have
Luda [366]

You've described two (2) axes of motion.
The third one would have been up-and-down.
 
3 0
3 years ago
How much work does a student (m = 60 kg) do when he Climb a tower 80 m high?
gtnhenbr [62]

Answer:

W = 47040  J

Explanation:

Given that,

The mass of a student, m = 60 kg

Height of the tower, h = 80 m

We need to find the work done in climbing the tower. The work done is given by :

W = mgh

So,

W = 60 × 9.8 × 80

W = 47040  J

So, the required work done is 47040  J.

7 0
3 years ago
Other questions:
  • Problem 2.1 (closed system) a piston-cylinder device contains 25 g of saturated water vapor that is maintained at a constant pre
    11·1 answer
  • How would a manufacture benifet by using fewer sarce resources
    12·1 answer
  • What is Balanced and Unbalaced Forces ?
    15·2 answers
  • A layer of oil (n = 1.38) floats on an unknown liquid. A ray of light originates in the oil and passes into the unknown liquid.
    15·1 answer
  • What is atmospheric pressure?
    8·1 answer
  • Focal length is 10cm draw a ray diagram and use the ray diagram to answer the question. I will mark as brainlest
    10·1 answer
  • When dropping a grape and a bowling ball from a height, the force of gravity would be identical on each object. True or False
    9·2 answers
  • If a car is moved 10 meters and 3 Newtons of force is needed to move the car, what amount of work has been done?
    13·1 answer
  • Calculate the amount of energy a 3 kg ball on top of 10 m hill will have. Show your work with the correct ending units.
    12·1 answer
  • A pan-galactic gargle (an alien) whose mass is 85 kg exploring a large asteroid. What is the force of
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!