PHYS 165 MODULE 5 EXAM
1. What is the product of a force and the time interval over which it acts?
Answer Impulse (J)
2. On a graph of force versus time interval, how can you find the amount of
impulse exerted by the force?
A) Find the maximum y value
B) Find the maximum x value
C) Find the area under the curve
D) None of the above
Answer C) Find the area under the curve
3. What is the product of an objects mass and velocity called
Answer Momentum (kgm/s)
4. What is the symbol for momentum
Answer Kgm/s
1/
14
, 5. During a physics experiment, a raw egg is dropped from a two-story building
encased in materials that cushion the impact with the concrete sidewalk below.
This process is repeated with different materials encasing the egg. Successful
trials prevent the egg from breaking upon impact with the sidewalk. Assume
that in all trials the mass of the apparatus and the speed upon impact are the
same. Answer the following questions about this experiment.
True or False
The magnitude of the force exerted on the egg upon impact with the sidewalk
during all trials is the same regardless of if the egg breaks or not.
Answer True
6. True or False
The Impulse-Momentum Theorem states that the net impulse
exerted on a system is greater than the change in momentum of the system.-
Answer False (its equal)
2/
14
1. What is the product of a force and the time interval over which it acts?
Answer Impulse (J)
2. On a graph of force versus time interval, how can you find the amount of
impulse exerted by the force?
A) Find the maximum y value
B) Find the maximum x value
C) Find the area under the curve
D) None of the above
Answer C) Find the area under the curve
3. What is the product of an objects mass and velocity called
Answer Momentum (kgm/s)
4. What is the symbol for momentum
Answer Kgm/s
1/
14
, 5. During a physics experiment, a raw egg is dropped from a two-story building
encased in materials that cushion the impact with the concrete sidewalk below.
This process is repeated with different materials encasing the egg. Successful
trials prevent the egg from breaking upon impact with the sidewalk. Assume
that in all trials the mass of the apparatus and the speed upon impact are the
same. Answer the following questions about this experiment.
True or False
The magnitude of the force exerted on the egg upon impact with the sidewalk
during all trials is the same regardless of if the egg breaks or not.
Answer True
6. True or False
The Impulse-Momentum Theorem states that the net impulse
exerted on a system is greater than the change in momentum of the system.-
Answer False (its equal)
2/
14
