## Get Real Time Feedback from Mechanics Exam Questions Now!

Any exam is important to any students as this plays a crucial role in your overall grade. To ensure better test scores, you should prepare and practice. Using mechanics practice is surely beneficial for students as this helps them teach which areas are key topics. Pre test sample can also be used as an effective solution to measure areas that require further studying, for instance for kinematics exam questions. Fortunately, you can easily get mechanics exam questions online and they are usually for free. If you want to train yourself under timed conditions, prepare for the exam and analyze possible exam format, use our mechanics practice test!

- Solve the following equation for the two roots of x: x² — 16 = 0

- x = 2i, –2i
- x = 4i, –4i
- x = 4, –4 (Answer)
- x = 2, –2

- Solve the following equation for x, y, and z:

x – y + z = –1 –x + y + z = –1 x + 2y – 2z = 5

- x = 1, y = 1, z = –1 (Answer)
- x = 5/3, y = 7/6, z = –1/2
- x = –2/3, y = –2/3, z = –1
- x = –1, y = 1, z = 1

- Solve the following equation for the two roots of x: — x² + 5x = — 6

- x = 2, 3
- x = –1, –5
- x = –1, 6 (Answer)
- x = –0.742, 6.74

- A particle is moving along a straight line through a fluid medium such that its speed is measured as v = (2t) m/s, where t is in seconds. If it is released from rest at s = 0, determine its positions and acceleration when t = 3 s.

- s = 9 m, a = 2 m/s² (Answer)
- s = 2 m, a = 18 m/s²
- s = 18 m, a = 2 m/s²
- s = 2 m, a = 9 m/s²

- A boat is traveling along a circular path having a radius of 20 m. Determine the magnitude of the boat’s acceleration if at a given instant the boat’s speed is v = 5 m/s and the rate of increase in speed is v = 2 m/s².

- a = 2.00 m/s²
- a = 2.36 m/s² (Answer)
- a = 1.25 m/s²
- a = 12.50 m/s²

- A train travels along a horizontal circular curve that has a radius of 200 m. If the speed of the train is uniformly increased from 30 km/h to 45 km/h in 5 s, determine the magnitude of the acceleration at the instant the speed of the train is 40 km/h.

- a = 0.617 m/s²
- a = 1.037 m/s² (Answer)
- a = 1.451 m/s²
- a = 0.833 m/s²

- A fly traveling horizontally at a constant speed enters the open window of a train and leaves through the opposite window 3 m away 0.75 s later. If the fly travels perpendicular to the train’s motion as seen from an observer on the ground, and the train is traveling at 3 m/s, determine the speed of the fly as observed by a passenger on the train.

- V
_{F/T }= 2.65 m/s - V
_{F/T }= 5.00 m/s (Answer) - V
_{F/T }= 1.000 m/s - V
_{F/T }= 7.00 m/s

- A small metal particle passes downward through a fluid medium while being subjected to the attraction of a magnetic field such that its position is observed to be s = (15t3 – 3t) mm, where t is measured in seconds. Determine (a) the particle’s displacement from t = 2 s to t = 4 s, and (b) the velocity and acceleration of the particle when t = 5 s.

- Δs = 834 mm, v = 1122 mm/s, a = 450 mm/s² (Answer)
- Δs = 114 mm, v = 1122 mm/s, a = 450 mm/s²
- Δs = 114 mm, v = 450 mm/s, a = 1122 mm/s²
- Δs = 834 mm, v = 450 mm/s, a = 1122 mm/s²

- A car is traveling at a speed of 80 ft/s when the brakes are suddenly applied, causing a constant deceleration of 10 ft/s2. Determine the time required to stop the car and the distance traveled before stopping.

- t = 8 s, s = 800 ft
- t = 8 s, s = 320 ft (Answer)
- t = 4 s, s = 240 ft
- t = 4 s, s = 40 ft

- A rifle has a mass of 2.5 kg. If it is loosely gripped and a 1.5-g bullet is fired from it with a muzzle velocity of 1400 m/s, determine the recoil velocity of the rifle just after firing.

- V
_{rifle}= 0.840 m/s (Answer) - V
_{rifle}= 0.525 m/s - V
_{rifle}= 2.33 m/s - V
_{rifle}= 1.400 m/s

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