# physics

posted by .

when you peddle a cycle, it goes fowrward, when you backpeddle-nothing happens. why?

## Similar Questions

1. ### physics

A gasoline engine runs with 28 percent efficiency. It expels 3.60x10^4 J of heat in each cycle. a. Find the heat absorbed in one cycle. 128,571.4?
2. ### physics

35 amps of current goes through a 40 amp fuse. What happens?
3. ### economics

IF I have a perfectly elastic supply (horizontal), and the unit price of cigarettes goes up by increasing cigarette tax from 8 cents to \$1.50, I know the quantity demanded goes down, but what happens in the long term (specifically …
4. ### Nitrogen Cycle

KK I know that the Nitrogen cycle is the way that nitrogen in nature is changed into many different forms that are used by living organisms, but I have to explain how the phosphorus cycle differs from that cycle, and I don't know about …
5. ### physics

With each cycle, a 2650-W engine extracts 2330 J from a thermal reservoir at 85.1°C and expels 1840 J into a thermal reservoir at 20.9°C. a) What is the work done for each cycle?
6. ### biology

explain what is the carbon cycle and why its called a cycle *explain four "moves" that occur in this cycle * explain the importance of this cycle to organisms *explain the human impact and effects on this cycle when fossil fuels are …
7. ### biology

explain what is the carbon cycle and why its called a cycle *explain four "moves" that occur in this cycle * explain the importance of this cycle to organisms *explain the human impact and effects on this cycle when fossil fuels are …
8. ### science

Calculate the PRP, PRF, PD, DF, SPL, wavelength, period, and Axial Resolution if a 2 cycle pulse emitted from a 10 MHz transducer if the echo time received was 0.26 ms in soft tissue. Part II - Using the information above: 1. If the …
9. ### Physics College

A heat engine operates in a Carnot cycle between 78.0°C and 340°C. It absorbs 22,000 J of energy per cycle from the hot reservoir. The duration of each cycle is 3.00 s. (a) What is the mechanical power output of this engine?
10. ### Physics

You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy …

More Similar Questions