Mr. Kovall’s Neighborhood

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Mid-Term Review

(1)  State rules governing translational and rotational equilibrium.

(2)  Define torque.

(3)  Differentiate between resolution and composition of force vectors.

(4)  Describe the behavior of a body pivoted at its center of gravity.

(5)  Determine the conditions which produce maximum and minimum resultant.

(6)  Differentiate between vector and scalar quantities.

(7)  Calculate the resultant velocity of a body moving with constant speed against a steady cross-wind.

(8)  Determine the components of the effort as a sled is pulled by a rope having an angle theta from the horizontal.

(9)  State the trigonometric relationship between Fn, FP, and FWT of a body placed on a horizontal surface and on an inclined surface.

(10) Determine the equilibrium established with vectors having different magnitude and direction.

(11) State the angle theta(E) for the equilibrant of a resultant in each quadrant.

(12) State the relationships among FS, FN, FWT, µS, and µK for a body on a horizontal surface, which experiences a slowly increasing force of exertion against it.

(13) When is the coefficient of static friction (µS) less than the coefficient of kinetic friction (µK)?

(14) Determine the FK and FN associated with the movement of a box pulled across a floor by a rope having an angle theta from the horizontal.

(15) State the relationships between the angle of inclination and FS and FK; between FK and FN; between Fn and FN.

(16) Differentiate between T = F(PERPENDICULAR) x D and T = F x D(PERPENDICULAR).

(17) Solve problems involving first class and second class levers.

(18) Recognize all forces associated with a ladder placed against a wall, including their torques.

(19) How can FNET = 0, but TNET ?  0?

(20) Compare torques produced using a screwdriver with a narrow handle, and with a wide handle.

(21) Recognize the relationship between  variables in motion formulas which include acceleration.

(22) Recognize the acceleration of a freely falling body.

(23) Solve problems for “a”, “t”, “s” involving a body in horizontal motion, and then for a body propelled vertically upward.

(24) Recognize why a body undergoes acceleration, using Newton’s Second Law of Motion.

(25) Solve for two time intervals when a projectile is at the same elevation.

(26) Recognize types of accelerations for a body in uniform circular motion.

(27) What is angular velocity proportional to?

(28) Determine the relationship between radians and degrees.

(29) Determine the type(s) of acceleration for a point on a disk undergoing a uniform change in rpm’s.

(30) Determine FC for a mass on a circular path.

(31) Recognize the vector component acting as FC, which is responsible for maintaining a body moving along a banked turn.

(32) Recognize the variables responsible for maintaining a body in orbit.

(33) Recognize the limits of the radius for a synchronous satellite.

(34) Recognize the radially directed force(s) on an orbiting body.

(35) Determine the influence of a body’s mass while maintaining a constant orbital speed.

(36) Contrast the orbital speed of a satellite in low Earth orbit with the speed of a similar satellite in higher orbit.

(37) Determine the radial velocity of an object having a given mass on a disk with a given diameter and rate of revolution.

(38) Determine the linear velocity at the tip of a second, minute, and hour hand on a clock.

(39) Differentiate between VOV and VOH for a body projected upward at angle theta from the horizontal.

(40) Determine the relationships among any variable in any of the projectile formulas (VO vs. R, R vs. theta, H vs. theta, VO vs. H).

(41) Can two projectiles having the same VO, but different angle theta, land on the same distant spot?

(42) Contrast time of flight for two bodies having different VOH, but having similar SV.

(43) Recognize variables needed to solve SH.

(44) Compare the behavior of three projectiles: one dropped, one thrown horizontally, and one thrown downward.

(45) Determine the position of a horizontally thrown projectile after an intermediate time “t”.

(46) Interpret a velocity-time graph depicting positive and negative accelerations of various magnitude, where the slope for the following variables must be identified: aMAX, VCONSANT, magnitude of a specified acceleration, distance traveled during a specified acceleration.

(47) Review a sheet containing all relevant formulas and constants.