calculate the horizontal force that must be applied to a 1-kg puck to make it accelerate on a horizontal friction-free air table with the same accelerate it would have if it were dropped and fell freely?
2006-12-05 11:09:35 · 7 answers · asked by smile 3 in Science & Mathematics ➔ Physics
acceleration in free fall is 9.81 m/s^2
so
F=ma
= 1(kg) (9.8 ,m/s^2)
=9.8 N
2006-12-05 11:12:03 · answer #1 · answered by Math-Chem-Physics Teacher 3 · 0⤊ 0⤋
you need to calculate the speed at which it would fall freely which is something like the weight x gravitational force.and you need to know the height it was dropped from, and then calculate the thrust motion needed to equal that speed by considering the weight and transfer of kinetic energy ....or something like that
2006-12-05 11:17:26 · answer #2 · answered by She_says 2 · 0⤊ 0⤋
F=ma, thus if acceleration is equal to acceleration due to gravity, the force is equal to g newton or 9.8N
2006-12-05 11:12:55 · answer #3 · answered by Sanjay C 2 · 0⤊ 0⤋
F = ma = mg => F = 1 * 9.8 = 9.8N
2006-12-05 11:12:44 · answer #4 · answered by James Chan 4 · 0⤊ 0⤋
9.8 newtons per second.
2006-12-05 11:15:29 · answer #5 · answered by mince42 4 · 0⤊ 0⤋
Yeah, I have no idea what you just said....
2006-12-05 11:11:40 · answer #6 · answered by Mila 2 · 0⤊ 0⤋
y???
2006-12-05 11:11:52 · answer #7 · answered by Anonymous · 0⤊ 0⤋