The diagram shows two pucks at rest on a nearly frictionless (horizontal) table.
ID: 2265076 • Letter: T
Question
The diagram shows two pucks at rest on a nearly frictionless (horizontal) table. Puck I has mass m and puck II has mass 4m. Both pucks start from rest. At t = 0, they are both pushed with the same force F.
That force is maintained on each puck for the same time, ?t.
When the force is removed, which puck has the
larger impulse imparted to it?
Which puck has the larger momentum when the force
is removed?
Which puck travels the longer distance across the
table?
Which puck has more work done on it by the applied force?
Which puck has more kinetic energy when the force is removed?
Now assume that the force is maintained on each puck over the same
displacement across the table, ?x.
Which puck has more work done on it by the applied force?
Which puck has more kinetic energy when the force is removed?
Which puck has the force applied for a longer time?
Which puck has the larger impulse imparted to it?
Which puck has the larger momentum when the force is removed?
Explanation / Answer
1)
1. both are imported to same imulse
2. both pucks will have same momentum
3. smaller puck travels more distance
4. on smaller puck
5. smaller puck
2)
1.work doen on both pucks is same
2. both will have same kinetic enrgy
3. larger puck
4. on larger puck
5. larger puck