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a 20kg box is pulled

a 20kg block is connested to a 30kg block by a string that passes over a frictionless pully. the 30kg block is connected to a
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2. asked by sello
3. 862 views
a 20kg box is pulled across ahorizontal surface with aforce of 100nt. The coefficient of friction is .3 (a) find the
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2. asked by bird
3. 376 views
A 20kg mass is to be pulled up a slope inclined at 30 degree to the horizontal.If the efficiency of the plane is 75% find the
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2. asked by Anny
3. 784 views
A 20kg mass is to be pulled up a slope inclined at 30 degree to the horizontal.If the efficiency of the plane is 75% find the
1. 3 answers
2. asked by Anny
3. 1,633 views
Four penguins are being pulled along very slippery (frictionless) ice by a curator. The masses of the three penguins are given
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2. asked by Jenn
3. 1,113 views
A 20kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 80N and is
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2. asked by Natasha
3. 4,299 views
How to calculate a gravitational force exerted on the paralle to the incline if its mass is 20kg is pulled upwards by a force
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2. asked by Kenneth
3. 1,030 views
find the frictional force exerted on a 20kg block pulled slowly over a horizontal floor using a rope which makes a 30 degree
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2. asked by josh
3. 642 views
A 20kg box rests ona table and a 10kg is placed on top of the 20kg box. Determine the normal force that the table exerts on the
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2. asked by fresno T
3. 1,543 views
Suppose you mix 20kg of oxygen is used to burn 20kg of wood. Energy is given off as heat and light. If all the ashes and gases
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2. asked by Sana
3. 470 views