ahmedeldyame
10.12.2021 •
Physics
Part 1: Ballistic Pendulum Experiment
Using a balance, determine the mass of the ball and basket of the ballistic pendulum. Fire the
ballistic pendulum and measure the maximum height the pendulum reaches. Use the
conservation of energy (initial KE+ initial GPE = final KE + final GPE, KE = 12mv?; GPE = mgh)
to calculate the initial speed of the pendulum after the ball has collided with the pendulum
basket. Next, use the conservation of momentum (total initial p = total final p, p= my) to
determine the initial speed of the ball before it collided with the pendulum basket.
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Ответ:
The amount of effort needed to move the box is 187.5 N
Explanation:
weight of the box = load moved by the ramp, L = 750 N
mechanical advantage of the ramp, MA = 4
effort needed to move the box, E = ?
Mechanical advantage is given as = Load / Effort
Effort = Load / Mechanical advantage
Effort = 750 / 4
Effort = 187.5 N
Therefore, the amount of effort needed to move the box on to the truck using a ramp is 187.5 N