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Machine Kinematics Practice Test: Kinematics & Kinetics of Motion
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Kinematics & Kinetics of Motion topics include: K and kinetics of motion, linear velocity and acceleration, numericals on kinetics of motion, kinetic energy loss during elastic impact, relation between linear and angular motion. Kinetics and kinematics are both branches of physics that study the motion of an object. Kinetics studies the forces that cause an object's motion, while kinematics studies the motion itself.  Kinetics: Studies the forces that produce motion and the geometric and time aspects of motion. Kinetics also explains how a body responds to a force or torque. For example, if... Show more
Machine Kinematics Practice Test: Kinematics & Kinetics of Motion
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25 Questions

1. A point B on a rigid link AB moves with respect to A with angular velocity ωrad/s. The total acceleration of B with respect to A will be equal to
2. The component of the accelertion, parallel to the velocity of the particle, at the given instant is called
3. Which of the following disciplines provides study of relative motion between the parts of a machine?
4. When the motion of a body is confined to only one plane, the motion is said to be
5. A wheel accelerates uniformly from rest to 2000 r.p.m. in 20 seconds. How many revolutions does the wheel make in attaining the speed of 2000 r.p.m.?
6. Which of the following statement is correct ?
7. A horizontal bar 1.5 metres long and of small cross-section rotates about vertical axis through one end. It accelerates uniformly from 1200 r.p.m. to 1500 r.p.m. in an interval of 5 seconds. What is the linear velocity at the beginning of the interval ?
8. A horizontal bar 1.5 metres long and of small cross-section rotates about vertical axis through one end. It accelerates uniformly from 1200 r.p.m. to 1500 r.p.m. in an interval of 5 seconds. What is the linear velocity at the end of the interval ?
9. When a particle moves with a uniform velocity, then dv/dt will be
10. The flywheel of a steam engine has a radius of gyration of 1 m and mass 2500 kg. The starting torque of the steam engine is 1500 N-m and may be assumed constant. Determine : Angular acceleration of the flywheel.
11. Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and motion of the parts?
12. Which of the following is a lower pair?
13. When a point at the end of a link moves with constant angular velocity, its acceleration will have
14. The example of rolling pair is
15. Which of the following objects have momentum?
16. Any point on a link connecting double slider crank chain will trace a
17. A road roller has a total mass of 12 tonnes. The front roller has a mass of 2 tonnes, a radius of gyration of 0.4 m and a diameter of 1.2 m. The rear axle, together with its wheels, has a mass of 2.5 tonnes, a radius of gyration of 0.6 m and a diameter of 1.5 m. Calculate braking force required to bring the roller to rest from 9 km/h in 6 m on the level.
18. When a particle moves with a uniform velocity along a circular path, then the particle has
19. Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?
20. The energy possessed by a body, for doing work by virtue of its position, is called
21. A car starts from rest and accelerates uniformly to a speed of 72 km. p.h. over a distance of 500 m. Calculate the time taken to attain the speed.
22. The flywheel of a steam engine has a radius of gyration of 1 m and mass 2500 kg. The starting torque of the steam engine is 1500 N-m and may be assumed constant. Determine : Kinetic energy of the flywheel after 10 seconds from the start.
23. ABCD is a four bar mechanism in which AB = 310mm and CD = 450mm. AB and CD are both perpendicular to the fixed link AD. If the velocity of B at this condition is v. Then the velocity of C is
24. A wheel accelerates uniformly from rest to 2000 r.p.m. in 20 seconds. What is its angular acceleration?
25. The linear velocity of a body rotating at ω rad/s along a circular path of radius r is given by

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