Module 10: Kinetics of Particles

Question 1

Net force is still zero.

Answer 1

dynamic equilibrium

Question 2

“If the resultant force acting on a particle is not zero, the particle will have an acceleration proportional to the magnitude of the resultant and in the direction of this resultant force.”

Answer 2

Newton’s 2nd Law

Question 3

translational and rotational velocities exist but are
constant.

Answer 3

dynamic equilibrium

Question 4

other term of moment of momentum?

Answer 4

angular momentum

Question 5

“The resultant of the forces acting on the particle is equal to the rate of change of the linear momentum of the particle.”

Answer 5

2nd Law Momentum

Question 8

When the only force acting on a particle P is a force F
directed toward or away from a fixed point O, the particle is said to be moving under a?

Answer 8

central force

Question 9

it has the same direction as the velocity of the particle, and its magnitude is equal to the product of the mass m and the speed v of the particle

Answer 9

linear momentum

Question 10

If polar coordinates are used, we resolve the
linear momentum of the particle into _________ and _______________ component

Answer 10

radial, transverse

Question 14

net force is zero

Answer 14

static equilibrium

Question 16

The sum of the moments about O of the forces acting on the particle is equal to the rate of change of?

Answer 16

angular momentum/moment of momentum

Question 17

Translational and rotational velocities are zero

Answer 17

static equilibrium

Question 19

two type of equilibrium

Answer 19

1. static equilibrium
2. dynamic equilibrium