Choose the BEST answer to the following:

Lift a 100-N crate with an ideal pulley system by pulling a rope downward with 25 N of force. For every 1-m length of rope pulled down, the crate rises

(a) 25 cm.

(b) 25 m.

(c) 50 cm.

(d) None of these.

Expert Answer

Want to see the step-by-step answer?

See Answer

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

See Answer
*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.
Tagged in

Work,Power and Energy

Related Physics Q&A

Find answers to questions asked by student like you

Q: Can anybody tell me about the ending 0 in these numbers, why we include it in determiining "sig figs...

A: In 0.0210, the number of significant digits is 2. Because of the zero on the right side of the numbe...

Q: Two waves are traveling in opposite directions on the same string. The displacements caused by the i...

A: The displacements and the phase angles caused by individual waves are given as,

Q: 5. Mick is a 185 lb snowboarder. His snowboard weighs 67 N. What is the combined weight of Mick and ...

A: Given that mass of Mick is 185lb, and the weight of the snowboard is 67N.The combined weight of the ...

Q: You are lowering two boxes, one on top of the other, down the ramp shown in the figure (Figure 1) by...

A: here the acceleration is zero,the angle of elevation is,  

Q: Why is sawdust a poorer conductor than wood from which it is made?

A: Step 1Sawdust is the powdered form of wood.

Q: Water flows at a speed of 6cm/s through a tube of radius 1cm. Coefficient of viscosity of water at r...

A: Given :speed of water = 6cm=6x10-2m/sRadius of tube =1cm=10-2mDiameter of tube =2x10-2mcoefficient o...

Q: What are the different ways of increasing the number of molecular collisions per unit time in a gas?

A: The ways by which the number of molecular collisions in a gas can be increased are;

Q: What does tea in thermos flask (Dewar flask) remain hot for long time?

A: A thermal or Dewar flask is a storage vessel that provides insulation to its contents from the surro...

Q: Find the molar mass and the number of degrees of freedom of molecules in a gas if cV=0.65J/gK and cP...

A: Step 1It is given that