1) What path is related to the kinematics of particles in terms of normal and tangential components? a) curved path b) straight path 2) What are some of the example applications of normal and tangential components? a) an object sliding on a flat surface b) an object free falling c) an object sliding on a flat surfacecar turning in a circular track while speeding up d) a ball of rest 3) What happens to normal acceleration when an object moves in a straight line? a) it becomes constant b) it increases c) it reverses direction d) it becomes zero 4) What causes the tangential acceleration? a) change in radius b) change in speed c) change in direction d) constant circular motion 5) What is the unit for both normal and tangential acceleration? a) m2/s b) N c) m/s2 d) m/s 6) Which is the correct formula for normal acceleration? a) b) c) d) 7) What is one of the real-life situations involving normal and tangential acceleration? a) an elevator moving up and down b) satellites orbiting the earth 8) If the radius of curvature decreases while speed stays constant, what happens to the normal acceleration? a) it increases b) it decreases c) it remains constant 9) Which of these statements correctly explains the direction of normal acceleration? a) it is always opposite to tangential acceleration b) it points in the same direction as velocity c) it always points towards the center of curvature 10) Which of the following best describes motion with zero tangential acceleration? a) Oscillating motion b) Straight-line motion c) Projectile motion d) Uniform circular motion

Dynamics: Kinematics of Particles

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