1) The weight force, M*g
Note: The problem asks DURING the fall
2) (M + a)*g
3) F = 320*3.2 = (320 + 70)*a'
Solve for a'
1) An 8.5kg bowling ball dropped 11m hits the ground 1.5 seconds later. What is the magnitude of the force acting on the ball during the fall?
2) Shuttle astronauts climb at a rate of 24.5m/s^2 shortly after takeoff. What apparent weight would a 95kg astronaut have during this phase of the ascent?
3) A golf cart with driver has a mass of 320kg and accelerates at 1.4m/s^2. Assuming the force does not change, what would be the acceleration if a 70kg passenger gets on board?
1 answer
1 answer