Questions LLC
Login
or
Sign Up
Ask a New Question
Simple Machines
Page 10
Questions (1,002)
What is the advantage of class 3 lever? (1 point)
• It decreases the distance over which force needs to be applied • It
1 answer
asked anonymously
26 views
A team of students builds a lever as a science project. They expend 10,300 Joules of energy to lift some bricks with the lever.
I
1 answer
asked anonymously
25 views
How do simple machines make work easier? (1 point)
They increase the distance over which a force is needed, doing more work with
1 answer
asked anonymously
23 views
The simple machine which is like an inclined plane that modifies the applied force and directs it to the side is the ?
1 answer
asked by
Tess
15 views
What is a combination of one or more fixed pulleys and one or more movable pulleys called ?
1 answer
asked by
Tess
14 views
Using a simple machine, a person put in 54.0 J of work output was 50.1 J. Calculate the efficiency of the simple machine.
1 answer
asked by
Tess
28 views
Calculate the ideal mechanical advantage of a jack screw with a handle of 45.0 cm and a pitch of
0.500 cm. (Use 3.14.)
1 answer
asked by
Tess
22 views
A wedge is a simple machine that is essentially two inclined planes. It is used to separate objects, such as in the head of an
1 answer
asked anonymously
25 views
A wedge is a simple machine that is essentially two inclined planes. It is used to separate objects, such as in the head of an
1 answer
asked anonymously
23 views
Lifting the weight without a pulley requires a force of 400 newtons over a distance of 4 meters. How do these values change when
3 answers
asked anonymously
33 views
A person uses a screwdriver as a lever to open a can of paint. Where is the fulcrum in this situation?(1 point) Responses the
1 answer
asked by
4bahng on dc
24 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216
1 answer
asked anonymously
25 views
What is the effect of using this inclined plane?
(1 point) Responses The object can be lifted while being pushed over a shorter
1 answer
asked anonymously
33 views
A wedge is a simple machine that is essentially two inclined planes. It is used to separate objects, such as in the head of an
1 answer
asked anonymously
26 views
Which example represents a class 2 lever?(1 point)
Responses tweezers plucking hairs tweezers plucking hairs a car door being
1 answer
asked anonymously
50 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216
1 answer
asked anonymously
23 views
How can a simple fixed pulley make a job easier?
• by changing the direction at which the force needs to be applied • by
1 answer
asked anonymously
25 views
explain how each of the following simple machines can be made more efficient.
Lever: Pulley: Inclined Plane:
1 answer
asked anonymously
59 views
How can a simple fixed pulley make a job easier?(1 point)
Responses by decreasing the force required to lift the object by
1 answer
asked by
u dont know me
24 views
How can you calculate the mechanical advantage a simple machine provides? (1 point)
Responses Simple machines do not provide a
1 answer
asked by
u dont know me
28 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216
1 answer
asked by
u dont know me
18 views
What is accomplished by this simple pulley?
(1 point) • It changes the distance of the pull needed to lift the object. It
1 answer
asked anonymously
53 views
What is the effect of using this inclined plane?
(1 point) The object can be lifted with less force. • The object can be lifted
1 answer
asked anonymously
82 views
Which example represents a class two lever
A a car door being opened and shut B a screwdriver opening a paint can C salad tongs
1 answer
asked by
crickettheguy biggest fan 🦗 🦟🦗🦟🦗
30 views
The pitch of screw jack is 0.5cm. The arm is 50cm long and it mechanical advantage is 250. What is the efficiency. ( Leaving
1 answer
asked by
Peculiar
21 views
Match each term with the correct part of the simple machine.
DRAG & DROP THE ANSWER Man using force to pull down on the right
11 answers
asked anonymously
26 views
A pulley system is marked with a Mechanical Advantage of 2.5. A worker applies 450N to the pulley in an attempt to lift a sound
11 answers
asked anonymously
35 views
A pulley system is marked with a Mechanical Advantage of 2.5. A worker applies 450N to the pulley in an attempt to lift a sound
1 answer
asked anonymously
21 views
Match the word with the descriptor
Input force: Output force: Work: Force x Distance Effort: Fulcrum: DRAG & DROP THE ANSWER
5 answers
asked anonymously
28 views
How can you calculate the mechanical advantage a simple machine provides? (1 point) Responses
Simple machines do not provide a
1 answer
asked by
.
31 views
A pulley system has a mechanical advantage of 3, and an object weighing 9 Newtons must be lifted 15 meters. How much force must
1 answer
asked by
.
27 views
How can a simple fixed pulley make a job easier?(1 point) Responses
by decreasing the work done by decreasing the force required
1 answer
asked by
.
26 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216
1 answer
asked by
.
20 views
How can you calculate the mechanical advantage a simple machine provides? (1 point)
Responses divide the output displacement by
1 answer
asked by
Somethingishere
32 views
How can a simple fixed pulley make a job easier?(1 point)
Responses by changing the direction at which the force needs to be
1 answer
asked by
Somethingishere
34 views
A simple machine increases the distance that a force needs to be applied from 3 meters to 27 meters, and the work done is 216
1 answer
asked by
Somethingishere
101 views
A class __ lever never has a mechanical advantage. A class __ lever always has a mechanical advantage. A class __ lever could go
1 answer
asked anonymously
30 views
the best way to increase mechanical advantage of the following second class lever is
1 answer
asked anonymously
24 views
a pulley system is marked with the mechanical advantage of 2.50 worker applies 450 N to the pulley in an attempt to lift a sound
1 answer
asked anonymously
22 views
A pulley system is marked with a Mechanical Advantage of 2.5. A worker applies 450 N to the pulley in an attempt to lift a sound
1 answer
asked anonymously
43 views
Match the word with the descriptor group one: input force, output force group 2: describes the input force, force that you apply
3 answers
asked anonymously
35 views
A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of
1 answer
asked anonymously
25 views
Which is an example of a simple machine?
A. ramp leading to door B. lawnmower C. LED lightbulb D. oven
1 answer
asked anonymously
10 views
Which example represents a class 2 lever? (1 point)
• salad tongs picking up salad tweezers plucking hairs • a screwdriver
1 answer
asked anonymously
33 views
Ms. Vetter has not worked out in a long time. She is trying to lift her pet bunny cage off the ground to put into her car for
1 answer
asked anonymously
17 views
How does a pulley help transfer mechanical energy?
1 answer
asked anonymously
20 views
How does a pulley help transfer mechanical energy?
a. it spreads the load out over two sides, making the load feel lighter b. it
1 answer
asked anonymously
23 views
A lever consists of a bar that pivots on a fixed point called a:
a. fulcrum b. mid point c. centerpiece d. oreo crumbs
1 answer
asked anonymously
34 views
This seesaw is an example of a:
a. class two fulcrum b. class 1 pulley c. class two machine d. class one lever
1 answer
asked anonymously
20 views
What are two examples of class two levers? Choose all that apply.
a. bottle opener b. wheelbarrow c. yo yo d. hammer and nail
1 answer
asked anonymously
20 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (40)
Engineering
Engineering and Machines
Engineering and Mechanics
Engineering and Physics
Force and Motion
Force and Work
Forces and Motion
Machines
Machines and Technology
Mechanical Advantage and Efficiency
Mechanical Engineering
Mechanical Physics
Mechanical Systems
Mechanics
Mechanics or Work and Energy
Physical Science
Physical Science/Mechanics
Physics
Physics - Mechanics
Physics / Mechanical Systems
Physics and Engineering
Physics and Mechanics
Physics Concepts
Physics Education
Physics or Mechanics
Physics or Science
Physics or Technology
Physics/Engineering
Science
Science and Engineering
Science and Mechanics
Science and Physics
Science and Technology
Science or Physics
Science/Physics
Technology
Tools and Materials
Types of Machines
Work and Energy
Work and Force