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
Bogdan [553]
3 years ago
7

A screwdriver is used to pry the lid off a paint can. The resistance arm is 0.5 cm long and the effort arm is 20 cm long. What i

s the mechanical advantage of the screwdriver?
Physics
1 answer:
Lunna [17]3 years ago
4 0

Answer:

40

Explanation:

Mechanical advantage = effort arm / load arm

MA = 20 cm / 0.5 cm

MA = 40

You might be interested in
Does riding a bike up a hill in higher gear burn more calories than a lower gear
Rasek [7]
Yes. If you are riding a bike up a hill in fifth gear, you will burn considerably more calories than if you were to bike up that hill in first gear. The lower the gear, the easier the pedaling, and therefore fewer calories are burned.
4 0
3 years ago
An 7.9 kg crate is pulled 5.5 m up a 30∘ incline by a rope angled 19 ∘ above the incline. The tension in the rope is 140 N and t
dedylja [7]

Answer:

Wt= 0.73kJ, Wg=0.21kJ Wn= 0J

(B) Wf= 0.096kJ

Explanation:

See attachment below.

5 0
4 years ago
Which is the best description of a high pressure system?
ruslelena [56]

Answer:

The Answer is gonna be B.

Air warms and rises.

6 0
3 years ago
Freida wants to model the way atoms move when a substance changes its state. To do this, Freida makes a pyramid of marshmallows.
kipiarov [429]

<em>Answer:</em>

<em>Melting</em>

<em>Explanation:</em>

<em>I took the quiz and got it right so I am 100 percent sure the answer is, A.melting :)</em>

6 0
3 years ago
Read 2 more answers
Defination of radiation​
saw5 [17]

Answer:

the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.

Explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose a container holds 1000 hydrogen molecules and 1000 oxygen molecules that react to form water. how many water molecules w
    13·1 answer
  • 8. An object is moving with a constant deceleration of 6 m/s. If its initial speed is
    12·1 answer
  • What is the hardy-weinberg principle?
    12·1 answer
  • A 12,000 kg railroad car is traveling at 2 m/s when it strikes another 10,000 kg railroad car that is at rest. If the cars lock
    9·1 answer
  • At 8:10am, train A leaves it's station heading east at 6m/s. At 8:15am, train B pulls away from its station and accelerates at 0
    5·1 answer
  • According the Merriam Webster dictionary the definition of falling is, "to descend freely by the force of gravity".
    13·1 answer
  • An alternating current is supplied to an electronic component with a warning that the voltage across it should never exceed 13 V
    9·1 answer
  • When you power an electromagnet with 3 batteries, what variable decreases as a result of removing one of those batteries.
    9·1 answer
  • What force causes an automobile to move.
    9·1 answer
  • Cosmic background radiation indicates what?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!