1. The linear impulse and momentum equation is obtained by integrating the ______ with respect to time.
A) Friction force
B) Equation of motion
C) Kinetic energy
D) Potential energy
2. Which parameter is not involved in the linear impulse and momentum equation?
A) Velocity
B) Displacement
C) Time
D) Force
3. The internal impulses acting on a system of particles always
A) Equal the external impulses.
B) Sum to zero.
C) Equal the impulse of weight.
D) None of the above.
4. If an impulse-momentum analysis is considered during the very short time of interaction, as shown in the picture, weight is a/an
A) Impulsive force.
B) Explosive force.
C) Non-impulsive force.
D) Internal force.
5. When the motion of one or both of the particles is at an angle to the line of impact, the impact is said to be
A) Central impact.
B) Oblique impact.
C) Major impact.
D) None of the above.
6. The ratio of the restitution impulse to the deformation impulse is called
A) Impulse ratio.
B) Restitution coefficient.
C) Energy ratio.
D) Mechanical efficiency.
7. Select the correct expression for the angular momentum of a particle about a point.
A) rXv
B) rXmv
C) vXr
D) mvXr
8. The sum of the moments of all external forces acting on a particle is equal to
A) Angular momentum of the particle.
B) Linear momentum of the particle.
C) Time rate of change of angular momentum.
D) Time rate of change of linear momentum.