Which best describes a vector?

A scalar magnitude with a specific direction

A car driving in a certain direction

The speed of a car driving east

In physics, which is the best definition of "uniform"?

Something that remains constant

Something that people wear when they go to work.

Uniformly accelerating rectilinear motion

Uniformly acceleration rectilinear motion

Uniform acceleration rectilineare motion

Uniform accelerating rectilinear motion

Physics Definitions

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Learning the definition for physics terms.

Questions and Answers

1.

The reference point that allows us to describe the position of a body is called...
- A.
  
  The space
- B.
  
  The origen
- C.
  
  The displacement
- D.
  
  The vector
Correct Answer
B. The origen
2.

Which best describes a vector?
- A.
  
  A car driving in a certain direction
- B.
  
  The speed of a car driving east
- C.
  
  A scalar magnitude
- D.
  
  A scalar magnitude with a specific direction
Correct Answer
D. A scalar magnitude with a specific direction
3.

Which of the following are scalar magnitudes?
- A.
  
  100 m
- B.
  
  12 m/s
- C.
  
  800 m/s2
- D.
  
  25
Correct Answer(s)
A. 100 m
B. 12 m/s
C. 800 m/s2
4.

"Rectilinear" means that something is moving.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
It means moving in a straight line.

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5.

Speed is a ___________ and velocity is a _____________ .

Correct Answer
scalar magnitude
vector
6.

In physics, which is the best definition of "uniform"?
- A.
  
  Something that remains constant
- B.
  
  A consistent change
- C.
  
  Varied changes over time.
- D.
  
  Something that people wear when they go to work.
Correct Answer
A. Something that remains constant
7.

Acceleration due to gravity is a vector.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
It has a magnitude and the direction is always towards the centre of the Earth.

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8.

UARM =
- A.
  
  Uniformly acceleration rectilinear motion
- B.
  
  Uniform acceleration rectilineare motion
- C.
  
  Uniformly accelerating rectilinear motion
- D.
  
  Uniform accelerating rectilinear motion
Correct Answer
C. Uniformly accelerating rectilinear motion
9.

Acceleration due to gravity is...
- A.
  
  0.98 m/s
- B.
  
  9.8 m/s2
- C.
  
  98 m/s3
- D.
  
  8.9 s/m
Correct Answer
B. 9.8 m/s2

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Current Version
Mar 21, 2022

Quiz Edited by
ProProfs Editorial Team
Apr 04, 2016

Quiz Created by
MrCanning

Physics Definitions

The reference point that allows us to describe the position of a body is called...

Which best describes a vector?

Which of the following are scalar magnitudes?

"Rectilinear" means that something is moving.

Speed is a ___________ and velocity is a _____________ .

In physics, which is the best definition of "uniform"?

Acceleration due to gravity is a vector.

UARM =

Acceleration due to gravity is...

Speed is a _ and velocity is a ___ .