A soccer ball of mass 0.400 kg is kicked across a field by a player and is given the acceleration .
State the force vector for the applied force on the ball.
What magnitude force was applied to the ball?
At what angle above the horizontal was the force applied?
The rocket sled shown in the accompanying diagram has a mass of kg. The sled decelerates at a rate of 196 m/s2. What force is necessary to produce this deceleration? Assume that the rockets have finished firing when the deceleration begins.
A model helicopter of mass 1.50 kg has a velocity m/s at the instant . The helicopter is uniformly accelerated for 2.00 s. At the end of that interval, it has a velocity of m/s.
What magnitude average force acted on the helicopter between and ?
At what counterclockwise angle from the positive -direction was the force on the helicopter applied?