Following are some of the multiple choice questions on the **Machine Kinematics** with answers that will help the students in developing their knowledge.

## Machine Kinematics MCQ

### 1. If a pinball machine launches a ball to a top speed of 25 m/s, with an acceleration of 15 m/s2 in a time of 0.40 seconds. What is the pinball's starting velocity (assume it is not zero)?

### 2. A jaguar takes 2.8 seconds to run 46.4 meters. Determine the jaguar's speed.

### 3. Alexis is riding her bike around town. She travels 43.2 m to the right, and then turns around to bike an additional 30 m to the left. Determine the velocity of Alexis's bike ride if it takes her 39.4 seconds to complete her motion.

### 4. What does a horizontal line on a distance vs time graph tell us about the motion of the object?

### 5. What does a horizontal line on a velocity vs time graph tell us about the motion of an object?

### 6. What does a constant velocity do tour our acceleration?

### 7. A ball is launched from a spring on the floor with an initial velocity of 32 m/s. It then comes to a stop in 4.3 seconds. Determine the acceleration of the ball.

### 8. A chinchilla starts moving from rest and is accelerating at a rate of 1.3 m/s2 for 2.8 seconds. What is the chinchilla's final velocity?

### 9. What are our units for acceleration?

### 10. How can you change the acceleration of an object?

### 11. Imagine Mr. Gomez spinning a yo-yo in a circular motion with a constant speed. Would the yo-yo have an acceleration during its motion?

### 12. Vionni is jogging at a speed of 1.9 m/s, when she hears about a sale at the local heladerĂa (ice cream shop). Vionni accelerates at a rate of 0.20 m/s2 for the next 15 seconds until she arrives at the shop. Find Vionni's final velocity.

### 13. A Frisbee is tossed from rest and reaches a top velocity of +54 m/s in 3.2 seconds. Determine the displacement of the Frisbee's motion.

### 14. A roller coaster accelerates at a rate of 30.0 m/s2 from the station to reach a loop in 3.80 seconds. If starting from rest, how far did the roller coaster travel before it reaches the loop?

### 15. A sports car travels a distance of 450 meters while attaining a certain top speed. If the car's acceleration is 23 m/s2 after starting with a speed of 89 m/s, what would be the car's top speed?

### 16. A dog runs with an initial speed of 7.5 m/s to a stop in 15 seconds. What is the dog's acceleration?

### 17. A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops?

### 18. A quantity that is has magnitude and direction is referred to as a

### 19. A car slows down from +32 m/s to +8 m/s in 4 s. The acceleration is

### 20. The unit we use to measure acceleration is ___.

### 21. A rigid link is one which does not undergo any deformation while transmitting motion.

### 22. If two moving elements have surface contact in motion, such pair is known as

### 23. Which of the following disciplines provides study of inertia forces arising from the combined effect of the mass and motion of the parts?

### 24. Which of the following disciplines provides study of relative motion between the parts of a machine?

### 25. The type of pair formed by two elements which are so connected that one is constrained to turn or revolve about a fixed axis of another element is known as

### 26. The SI unit for length or distance is

### 27. The SI unit for time is

### 28. What is the SI unit for acceleration?

### 29. What is the SI unit for speed and velocity?

### 30. How much time would it take for an object to fall 4.7 meters?

### 31. If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s2?

### 32. A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boatâ€™s acceleration while it travels the 12.0 m?

### 33. An airplane lands on a runway with a velocity of 150 m/s. How far will it travel until it stops if its rate of deceleration is constant at -3 m/s2?

### 34. A ball is thrown downward from the top of a roof with a speed of 25 m/s. After 2 s, its velocity will be:

### 35. A change in velocity over time is known as:

### 36. The speedometer on your car tells you

### 37. A cheetah travels 75 m in 3 s. What is her velocity over the interval?

### 38. An object is NOT accelerating if it is moving

### 39. Speed is a __________ quantity and velocity is a __________ quantity.

### 40. A _________ quantity is completely described by magnitude alone. A _________ quantity iscompletely described by a magnitude with a direction.

### 41. An object can be moving for 10 seconds and still have zero displacement.

### 42. A quantity that is ignorant of direction is referred to as a

### 43. A ________link is one which is formed by having a fluid in a container and the motion is transmitted through the fluid by pressure

### 44. A _________________ link is one which is partly deformed in a manner not to affect the transmission of motion.

### 45. A __________ link is one which does not undergo any deformation while transmitting motion.

### 46. It is the branch of theory of machine which deals with the study of relative motion between the various parts of the machine is __________.

### 47. It is an assemblage of a number of resistant bodies (known as members) having no relative motion between them and meant for carrying loads having straining action is _____________.

### 48. A _________is a device which receives energy and transforms it into some useful work.

### 49. It deals with the forces and their effects when the machine parts are at rest is ___________________.

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