Which of the following is a compound machine?
Bicycle
Pulley
...
Physics, 24.03.2020 00:26 drivinghydra
Which of the following is a compound machine?
Bicycle
Pulley
Ramp
Wedge
Which of the following is used to calculate mechanical advantage?
Fr/Fe
dr/de
de/dr
Fe/Fr
A man weighing 700 N lifts 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force?
120 N
10.0 N
700 N
50.0 N
A pilgrim uses a block and tackle to lift a 225 N crate a distance of 16.5 m. She pulls 33.0 m of rope with a force of 129 N. What is the ideal mechanical advantage of machine?
0.50
2.00
1.74
0.573
Answers: 3
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Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod
Answers: 1
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Answers: 1
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
Answers: 1
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If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles
Answers: 2
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