In canoeing, you paddle backward to go forward. Canoeing can be explained by Newton's third law that says
A) The water transfers energy to the boat to make it move.
B) Once the boat is moving forward, it will naturally continue to move forward.
C) As the paddle push the water backward, the water pusher the paddler forward with an equal force.
D) The body of water has a larger mass and will exert a larger force on the paddle then the paddle does on the water.

the design of a ski jumping suit involves a trade-off between giving the skiers lift to get higher jumps and ensuring the skier does not face a lot of drag before the jump itself. an expansive suit may to lift the skier higher, but at the same time, it will also increase the air resistance. higher air resistance as the skier goes down the slope limits the speed of the jump. a big suit also increases the risk of losing balance or control, especially if there's a strong gust of wind. while technologically enhanced suits a lot, clothing is not the only factor in a ski jumper’s success. gathering speed while skiing down the slope, ensuring good speed on the ramp, and maintaining good body posture and form in the air all contribute to a ski jumper's success.