A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
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Definition1/17
7,071 J
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Term1/17
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
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Definition1/17
28,000 J
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Term1/17
A bicycle is an example of what machine
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Definition1/17
A bicycle is an example of a complex machine, consisting of interacting simple machines.
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Term1/17
A man and a woman exert a total of 900 N by pushing a car 20 meters across the street The man exerts twice as much force as the woman How much work does the man do
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Definition1/17
The man exerts a force of 600 N and the woman exerts a force of 300 N. Work done by the man = Force x displacement = 600 x 20 = 12,000 J Hence, the man performs 12,000 joules of work.
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Term1/17
What factor prevents a machine from operating at 100 percent efficiency
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Definition1/17
Friction((:
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Term1/17
The value of the impulse equals the force x the
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Definition1/17
The value of the impulse equals the the force times the time.
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Term1/17
Work is done when a force is applied to an object if the object
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Definition1/17
is moved
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Term1/17
V-cube 7 or megaminx
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Definition1/17
megaminx
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Term1/17
How much work is done when a 6.0 n weight is raised 2.0 meters off the ground
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Definition1/17
12j
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Term1/17
A ramp is 30 meters long and 5 meters high 200 newtons of force must be applied by the mover to push a 1000 newton piano up the ramp
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Definition1/17
What is the amount of work accomplished by the ramp? - 5000
joules
What is the amount of work done by the mover? - 6000 joules
What is the efficiency of the ramp? - 83%
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Term1/17
How many newtons does a 10 kg box weigh
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Definition1/17
A 10 kg box weighs a touch more than 98 newtons
(98.0665002864).
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Term1/17
A man pulls a 50 kilogram box 20 meters across the floor with the aid of a rope tied to the box The rope makes an angle of 30 degrees with the horizontal In pulling the box the man exerts a force
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Definition1/17
1,732j
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Term1/17
What does a force applied to a stationary object give the object
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Definition1/17
"Motion" or "Momentum"
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Term1/17
What is the force applied over a period of time that is required to give a stationary object momentum called
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Definition1/17
impulse
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Term1/17
How many joules of work are done when a 20 kg box is lifted 5 meters above the floor
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Definition1/17
980
w=m x g x d
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Term1/17
How many joules of work are done when a 20 newton box is lifted 5 meters off of the floor
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Definition1/17
100
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Term1/17
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
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Definition1/17
250 newtons
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Cards in this guide (17)
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
7,071 J
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
28,000 J
A bicycle is an example of what machine
A bicycle is an example of a complex machine, consisting of interacting simple machines.
A man and a woman exert a total of 900 N by pushing a car 20 meters across the street The man exerts twice as much force as the woman How much work does the man do
The man exerts a force of 600 N and the woman exerts a force of 300 N. Work done by the man = Force x displacement = 600 x 20 = 12,000 J Hence, the man performs 12,000 joules of work.
What factor prevents a machine from operating at 100 percent efficiency
Friction((:
The value of the impulse equals the force x the
The value of the impulse equals the the force times the time.
Work is done when a force is applied to an object if the object
is moved
V-cube 7 or megaminx
megaminx
How much work is done when a 6.0 n weight is raised 2.0 meters off the ground
12j
A ramp is 30 meters long and 5 meters high 200 newtons of force must be applied by the mover to push a 1000 newton piano up the ramp
What is the amount of work accomplished by the ramp? - 5000
joules
What is the amount of work done by the mover? - 6000 joules
What is the efficiency of the ramp? - 83%
How many newtons does a 10 kg box weigh
A 10 kg box weighs a touch more than 98 newtons
(98.0665002864).
A man pulls a 50 kilogram box 20 meters across the floor with the aid of a rope tied to the box The rope makes an angle of 30 degrees with the horizontal In pulling the box the man exerts a force
1,732j
What does a force applied to a stationary object give the object
"Motion" or "Momentum"
What is the force applied over a period of time that is required to give a stationary object momentum called
impulse
How many joules of work are done when a 20 kg box is lifted 5 meters above the floor
980
w=m x g x d
How many joules of work are done when a 20 newton box is lifted 5 meters off of the floor
100
A pulley system is used to lift a 2000 newton engine up a distance of 3 meters The operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor To lift the engine fi
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
Which of these changes as the momentum of an object changes
Four students are moving 80 N boxes from the floor to a shelf 4 meters high Student A moves 8 boxes in 10 minutes Student B moves 6 boxes in 8 minutes Student C moves 4 boxes in 6 minutes and st
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
Four students are moving 80 N boxes from the floor to a shelf 4 meters high Student A moves 8 boxes in 10 minutes Student B moves 6 boxes in 8 minutes Student C moves 4 boxes in 6 minutes and st
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
A man and a woman exert a total of 900 N by pushing a car 20 meters across the street The man exerts twice as much force as the woman How much work does the man do
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
A man is carrying cement blocks weighing 200 newtons up a ladder to a platform 7 meters above the ground He has been carrying 2 blocks per minute How much work is done in 10 minutes
A sailor pulls a 2000 kilogram boat 25 meters along the dock with a rope attached to the boat that makes a 45 degree angle with the dock. How much work is done by the sailor if he exerts a force of 4
Work is done when a force is applied to an object if the object
How much work is done when a 6.0 n weight is raised 2.0 meters off the ground
A force of 20 N gives a ball an acceleration of 4.0 ms on a level frictionless surface what is the mass of the ball