Science
posted by Anonymous .
Nathalie pushes on the pedals of his bike with a 320N force. If the bike has a produced force of 640N, what is the mechanical gain of the bike?

Science 
Anonymous
Gain = output/input
Respond to this Question
Similar Questions

physics
there are 3 parts to my question. i need help on the last part. 1.a. A child rides a bike in a circular path with a radius of 2.0 m. The tangential speed of the bike is 2.0 m/s. The combined mass of the bike and the child is 43 kg. … 
Math
The bike slots in the bike rack are filled. Don's bike is in the middle. And there are 3 bikes placed to the right side of Don's bike. How many bikes are there in the bike rack? 
Math
The bike slots in the bike rack are filled. Don's bike is in the middle. And there are 3 bikes placed to the right side of Don's bike. How many bikes are there in the bike rack? 
science
How would i set these up? like what is the equations? 
Science
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10msm2 
Science
A boy exerts a force of 15N to push a motor bike which has flat tyre for a distance at 30m.calculate the mass of the motor bike. Calculate the density of the motor bike.calculate the work done by the boy.[take g=10msm2 
Science
Why does the downhillrace bike look the way it does and what magnitude of force and any dynamic loads effect the bike. please help 
Science
Why does the downhillrace bike look the way it does, what stuff does it have which normal bikes don't and what magnitude of force and dynamic loads effect the bike. please help 
english
Do you know when to ride a bike? Do you know when you should ride a bike? 
Math
The local park has 4 bike rack. Each bike rack can hold 15 bikes. There are 16 bike in the bike rack. What expression shows the total number of empty spaces in the bike racks?