Description : Which of the following is scalar quantity a.Area of triangle b.Displacement of a particle c.Acceleration of car d.Force of friction e.Velocity a gear
Last Answer : a. Area of triangle
Description : Displacement is a A. scalar quantity B. vector quantity C. base quantity D. derived quantity
Last Answer : vector quantity
Description : Pick out the scalar quantity (a) Force (b) Pressure (c) Velocity (d) Acceleration
Last Answer : Ans:(b)
Description : Which of the following is a scalar quantity? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential
Last Answer : (3) Angular momentum Explanation: The electrostatic potential at any point in an electric field is defined as the work done in bringing a unit positive charge from infinity to that point against the electric force of the field.
Description : Who among the following is the scalar quantity______. (1) force (2) pressure (3) velocity (4) acceleration
Last Answer : (2) pressure Explanation: Pressure is a scalar quantity. It relates the vector surface element with the normal force acting on it.
Description : Which of the following is a scalar quantity ? (1) Velocity (2) Force (3) Angular momentum (4) Electrostatic potential
Last Answer : Electrostatic potential
Description : A body moving in a circular path with a constant speed has a - (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing.
Description : A body moving in a circular path with a constant speed has a – (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : (3) constant kinetic energy Explanation: In circular motion, the magnitude of the velocity of the body is constant but the direction is constantly changing. This means that, even though the speed is ... accelerating. At any instant, the direction of the velocity is a tangent to the circular path.
Description : A body moving in a circular path with a constant speed has a (1) constant velocity (2) constant acceleration (3) constant kinetic energy (4) constant displacement
Last Answer : constant kinetic energy
Description : Which of the following are scalars or vectors? Displacements, distance travelled, velocity, speed, force, work done, energy
Last Answer : Which of the following are scalars or vectors? Displacements, distance travelled, velocity, speed, force, work done, energy
Description : Choose the only scalar quantity from the following: (a) Energy (b) Torque (c) Momentum (d) Force
Last Answer : Ans:(a)
Description : Impulse can be obtained from a.force-time diagram b.velocity-time diagram c.107 dynes d.force displacement diagram e.velocity-displacement diagram
Last Answer : a. force-time diagram
Description : Which of the following relations is true for viscous damping? A) Force α relative displacement B) Force α relative velocity C) Force α (1 / relative velocity) D) None of the above
Last Answer : B) Force α relative velocity
Description : Which of the following relations is true for viscous damping? a. Force α relative displacement b. Force α relative velocity c. Force α (1 / relative velocity) d. None of the above
Last Answer : b. Force α relative velocity
Description : An 8 kilogram mass resting on a frictionless horizontal surface is attached to a spring with a force constant of 50 Newtons per meter. If the velocity of the mass through the equilibrium position is 5 meters per second, what is the mass's maximum displacement from equilibrium?
Last Answer : ANSWER: 2 METERS
Description : From the formula F = qE, can prove that work done is a product of force and displacement. State True/False a) True b) False
Last Answer : a) True
Description : The rate of change of displacement is called: (1) Acceleration (2) Speed (3) Distance (4) Velocity
Last Answer : (4) Velocity Explanation: In considering motions of objects over time the instantaneous velocity of the object is the rate of change of the displacement as a function of time.
Description : Which of the following is not a vector quantity? (1) Speed (2) Velocity (3) Torque (4) Displacement
Last Answer : (1) Speed Explanation: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. It does not keep track of direction. In contrast, velocity is a vector quantity as it is direction aware.
Description : The slope of a velocity-time graph represents – (1) acceleration (2) displacement (3) distance (4) speed
Last Answer : (1) acceleration Explanation: A plot of velocity-time is used to determine the acceleration of an object (the slope). If the acteleration is zero, then the velocity-time graph is a horizontal line (i.e ... is positive, then the line is an upward sloping line (i.e., the slope is positive).
Description : A car travelled south-west for 200 miles depicts A. distance B. speed C. velocity D. displacement
Last Answer : displacement
Description : Speed of a body in particular direction can be called A. acceleration B. displacement C. velocity D. distance
Last Answer : velocity
Description : Correct example of vector quantities could be A. Distance and Speed B. Displacement and Velocity C. Distance and Displacement D. Speed and Velocity
Last Answer : Displacement and Velocity
Description : Which of the following is not a vector quantity ? (1) Speed (2) Velocity (3) Torque (4) Displacement
Last Answer : Speed
Description : The slope of a velocity-time graph represents (1) acceleration (2) displacement (3) distance (4) speed
Last Answer : acceleration
Description : If a body moves with a constant speed in a circle – (1) no work is done on it (2) no force acts on it (3) no acceleration is produced in it (4) its velocity remains constant
Last Answer : (4) its velocity remains constant Explanation: A body moving with a constant speed in a circle is an example of uniform circular motion. The velocity vector is constant in magnitude but ... magnitude or the direction constitutes a change in the velocity which leads to change in acceleration.
Description : If a body moves with a constant speed in a circle (1) no work is done on it (2) no force acts on it (3) no acceleration is produced in it (4) its velocity remains constant
Last Answer : its velocity remains constant
Description : Work done upon a body ______. (1) only a vector quantity (2) only a scalar quantity (3) both vector and scalar (4) neither vector nor scalar
Last Answer : (2) only a scalar quantity
Description : When I close the throttle on my car, and allow speed to bleed off, is this a Delta-V scalar?
Last Answer : answer:So long as you travel in a straight line. As you probably know, turning is a change in velocity ( ΔV ) even if speed remains constant. However, if direction does not change then any ΔV ... and direction; a scalar and a vector, and we've alread declared the vector component to be constant.
Description : In case of negative work the angle between the force and displacement is -Physics
Last Answer : 180° is the correct answer
Description : The Product of the displacement of the body and the component if the force in the direction of the displacement. a. Nonflow Work b. Flow Work c. Work d. None of the above
Last Answer : Work
Description : Work is equal to which of the following? w) the cross product of force and displacement. x) the product of force times time y) force divided by time z) the dot product of force and displacement
Last Answer : ANSWER: Z -- THE DOT PRODUCT OF FORCE AND DISPLACEMENT
Description : Which is true: a. Energy is a scalar quantity b. Energy is a vector quantity c. Energy is vector & scalar d. None of the above
Last Answer : Energy is a scalar quantity
Description : Is velocity the slope of the displacement vs time graph true or false?
Last Answer : that is true
Description : If displacement is not changing as a function of time then what can we say about velocity?
Last Answer : If the displacement is not changing, the velocity is zero.
Description : For body moving with non-uniform velocity and uniform acceleration – (1) Displacement – Time graph (2) Displacement – Time graph (3) Velocity - Time graph is non-linear (4) Velocity - Time graph is linear
Last Answer : (2) Displacement - Time graph Explanation: Displacement-time graph is non linear. Linear motion (also called rectilinear motion) is motion along a straight line, and can therefore be described ... linear motion with variable velocity or non-zero acceleration. The motion of a particle (a point
Description : The angular velocity depends upon the rate of change of the _______. (1) Angular Distance (2) Angular acceleration (3) Angular Displacement (4) torque
Last Answer : (3) Angular Displacement Explanation: The angular velocity is defined as the rate of change of angular displacement and is a vector quantity which specifies the angular speed of an object and the axis about which the object is rotating.
Description : If the slope of a graph is zero and so the displacement, then velocity is A. increasing B. decreasing C. constant D. zero
Last Answer : zero
Description : Area under velocity-time graph tells us the A. time B. acceleration C. displacement D. velocity
Description : Gradient of velocity-time graph tells us about object's A. velocity B. displacement C. distance D. acceleration
Description : The vibration in a vehicle is normally expressed in the terms of the ______________. (A) displacement (B) velocity (C) acceleration (D) none of the above
Last Answer : (C) acceleration
Description : A seismometer is a device used to measure the ___________ of a vibrating body. (A) displacement (B) velocity (C) acceleration (D) all of the above
Last Answer : (A) displacement
Description : The velocity vector in a vector diagram for a harmonic motion A Lags the displacement vector by 180 0 B Lags the displacement vector by 90 0 C Leads the displacement vector by 90 0 D Leads the displacement vector by 180 0
Last Answer : C Leads the displacement vector by 90 0
Description : The velocity vector in a vector diagram for a harmonic motion A) Lags the displacement vector by 180° B) Leads the displacement vector by 90° C) Lags the displacement vector by 90° D) Leads the displacement vector by 180°
Last Answer : B) Leads the displacement vector by 90°
Description : The velocity vector in a vector diagram for a harmonic motion C (A) Lags the displacement vector by 180 0 (B) Lags the displacement vector by 90 0 (C) Leads the displacement vector by 90 0 (D) Leads the displacement vector by 180 0
Last Answer : (C) Leads the displacement vector by 90 0
Description : The instruments which are used to measure the ___________ of a vibrating body are called vibration measuring instrument. (A) displacement (B) velocity (C) acceleration (D) all of the above
Last Answer : (D) all of the above
Description : What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? (A) 0.5 (B) 1 (C) 1.5 (D) 2
Last Answer : (A) 0.5
Description : In case of simple harmonic motion, displacement is proportional to the (A) Velocity (B) Acceleration (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : B) Acceleration
Description : In physics, a radian per second squared is a unit of: w) angular displacement x) angular velocity y) angular acceleration z) angular momentum.
Last Answer : ANSWER: Y -- ANGULAR ACCELERATION