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How much force would be needed to lift a 200-pound object with a double pulley?
25 newtons
Describe the effect that height has on the force and energy needed to lift an object?
Lifting an object to a greater height requires more energy, but not any more force, thanlifting it to a not-as-great height.
How does a spring balance work?
to measure the weight of an object, hang the object on the hook of the balance, lift up the balance and take the reading. OR to measure the force needed to pull an object, attach an object to the hook of the balance, pull the balance and take the reading when the object moves.
On a lever how can you reduce the amount of effort needed to lift a heavy object?
by adding more weight to the other side
When you lift an object energy is transferred to the object which give the object?
Potential energy
How much force to apply to a piston with an area of 10 cm2 to lift an object weithing 2000n on a piston with an area of 50cm2?
400 N 400 N / 10cm2 = 2000 N / 50cm2
Does BCBS pay for power lift chairs?
[object Object]
What does a block and tackle do?
It decreases the effort needed to lift an object.
What is the relationship between the effort and the weight of an object being lifted over a simple pulley?
the effort needed to lift an object is about the same as the weight of an object:)
Does the use of an incline plane reduce the force necessary to lift up an object?
Yes. It is easier to push an object up a plane than lift it straight up. It does not reduce the total amount of energy needed to lift it up.
Whats the relationship between the distance traveled by the object and the force needed to lift the object When one changeswhat happens to the other?
ffr
What simple machine reduces the amount of effort needed to lift a heavy object?
Lever Hoist
How much force would be needed to lift a 200-pound object with a double pulley?
25 newtons
How much power is needed to lift the 200-n object to a height of 4m in 4 seconds?
Power = (energy) / (time) =(200 newtons x 4 meters) / (4 seconds) =200 newton-meters per second = 200 watts
How much less an object seems to weigh when using a simple machine?
The Mechanical Advantage is the ratio of the force needed to lift an object using the simple machine divided by the weight of the object
Describe the effect that height has on the force and energy needed to lift an object?
Lifting an object to a greater height requires more energy, but not any more force, thanlifting it to a not-as-great height.
How does a spring balance work?
to measure the weight of an object, hang the object on the hook of the balance, lift up the balance and take the reading. OR to measure the force needed to pull an object, attach an object to the hook of the balance, pull the balance and take the reading when the object moves.
