1) The mass of an object is 1.32 kilograms. What would be its mass if it is converted into decigrams? a) 13.2 dg b) 132.0 dg c) 1320.0 dg d) 13200 dg 2) What is 0.001672 km in scientific notation if it contains only 3 significant figures? a) 0.167 x10^-2 km b) 0.167 x10^2 km c) 1.67 x 10^-3 km d) 1.67 x 10^3 km 3) Which of the following best describes the accuracy in a measurement? a) The accuracy in a measurement is independent to the measured true value. b) There is a closeness or exactness of the measured value to the true value. c) There is a closeness or exactness of the measured value to the other measured values. d) The accuracy in a measurement is dependent on how precise the measured values are. 4) A farmer measures the weight of his chicken using a weighing scale. He performed it 3 times. First measurement: 3.45 + 0.005 kg ; Second measurement: 3.43 + 0.005 kg ; Third measurement: 3.47 + 0.005 kg.What would be the reported weight of the chicken given the measurement uncertainties? a) 3.43 kg + 0.005 kg b) .45 kg + 0.005 kg c) 3.43 kg + 0.015 kg d) 3.45 kg + 0.015 kg 5) A man needs to go to a grocery store. He travels 3 km to the East and then turns to North that covers 4 km. Calculate his displacement. a) 2 km, NE b) 3 km, NE c) 4 km, NE d) 5 km, NE 6) An object was dropped 8.52 m above the ground. Calculate the time it requires to reach the ground. a) 1.32 s b) 2.32 s c) 3.32 s d) 4.32 s 7) A race car accelerates uniformly from 10.5 m/s to 40.0 m/s in 3 seconds. Determine the acceleration of the car. a) 8.8 m/s^2 b) 9.8 m/s^2 c) 10.8 m/s^2 d) 11.8 m/s^2 8) n object in a projectile reaches its maximum height. Its velocity in vertical component as it reaches the maximum height is _________. a) Zero b) Constant c) Less than zero d) Greater than zero 9) During a fireworks display, a firework is shot and exploded into the air with an initial speed of 70 m/s at an angle 75.0 degrees above the horizontal. Calculate the maximum height the firework reaches. a) 200 m b) 300 m c) 233 m d) 333 m 10) A jogger runs along three-fourths of a circular track with a radius of 15 m. What is the magnitude of its displacement? a) 20.21 m b) 21.21 m c) 22.21 m d) 23.21 m 11) What Newton’s law of motion is used to explain the interaction of forces exerted by both baseball bat and a baseball? a) Law of Motion b) Law of Inertia c) Law of Acceleration d) Law of Action-Reaction 12) A 50.0-kg wrecking ball was suspended by a rope. What is the tension acting on the rope? a) 400 N b) 445 N c) 490 N d) 545 N 13) The gravitational potential energy depends on the height of an object from the ground. If an object is raised higher from the ground, its gravitational potential energy will a) Increase b) Decrease c) Become zero d) D. Remains the same. 14) The gravitational potential energy depends on the height of an object from the ground. If an object is raised higher from the ground, its gravitational potential energy will a) increase b) decrease c) become zero d) remains the same. 15) In a collision, an object experiences a force for a specific amount of time resulting in a change of momentum. The change in momentum is referred to as a) Impulse b) Elastic collision c) Inelastic collision d) Moment of inertia 16) It is a linear acceleration in a direction tangent to the circle at the point of interest in circular or rotational motion. a) Angular acceleration b) Centripetal acceleration c) Centrifugal acceleration d) Tangential acceleration 17) What is the angular momentum of a thin hoop of radius 1.5 m and mass of 0.5 kg that is rotating at a velocity of 4 rad/s? a) 4.0 kg.m2/s b) 4.5 kg.m2/s c) 5.0 kg.m2/s d) 5.5 kg.m2/s 18) It refers to the maximum displacement from the equilibrium position of an object oscillating around the equilibrium position. a) Period b) Frequency c) Amplitude d) Wavelength 19) It is a wave with a repeating continuous pattern which determines its wavelength and frequency. a) Periodic wave b) Sinusoidal wave c) Transverse wave d) Longitudinal wave 20) The distance of a source that emits a wave is increased gradually. This causes the intensity of the wave to a) increased b) decreased c) fluctuate d) remain the same 21) Standing wave is a pulsating stationary pattern caused by the interference of harmonic waves of equal amplitude and wavelength traveling in what direction? a) Same direction b) Opposite direction c) Alternating direction d) Perpendicular direction 22) Pressure is a force applied per unit area. The relationship of pressure to force and area is: a) Directly proportional to force and area. b) Inversely proportional to force and area. c) Directly proportional to area and inversely to force. d) Directly proportional to force and inversely to area. 23) The pressure is the same at any two points at the same level in the fluid. A denser liquid is said to have: a) Lesser pressure b) Greater pressure c) No pressure exerted d) Pressure equal to one 24) In Pascal principle, if pressure is increased at one portion of an enclosed fluid, the pressure at all points of the enclosed fluids is increased by a) The same amount b) Twice the amount c) Three times the amount d) Four times the amount 25) A body is completely immersed in a fluid and it displaces a fluid with a weight equal to 10.0 N. Based on the Archimedes’ principle, the fluid exerts an upward force equal to the a) Weight of the object b) Weight of the fluid displaced c) Weights of the object and fluid displaced d) Weights of the object and the fluid not displaced 26) When a moving fluid enters a narrower section of pipe, its speed increases and the pressure on the fluid will a) increase b) decrease c) become zero d) remain the same 27) When a moving fluid enters a narrower section of pipe, its speed increases and the pressure on the fluid will a) increase b) decrease c) become zero d) remain the same 28) The temperature of water in Fahrenheit is 212 degrees. Determine its equivalence to degree C and Kelvin temperature scale? a) 0 degree C and 273K b) 0 degree C and 373K c) 100 degrees C and 273K d) 100 degrees C and 373K 29) In a pressure-volume (PV) diagram, a vertical line indicates that the volume of the system is held constant but the pressure is changing. This thermodynamic process is called: a) Adiabatic b) Isobaric c) Isochoric d) Isothermal 30) It is a thermodynamics law that states that the total entropy of an isolated system can never decrease and proceed in the direction of increasing entropy. a) First Law of Thermodynamics b) Second Law of Thermodynamics c) Third Law of Thermodynamics d) Zeroth Law of Thermodynamics

DIAGNOSTIC TEST IN GENERAL PHYSICS 1

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