Sign up for FREE

ISD but Don't use--G8 Science Midterm - 2024

Last updated 9 months ago

25 questions

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

1

Question 1

1.

Net force is the sum of all forces acting on an object.

True

False

Question 2

2.

An object with balanced forces acting on it will accelerate.

True

False

Question 3

3.

The resultant vector represents the total effect of two or more vectors.

True

False

Question 4

4.

The slope of a distance vs. time graph represents speed/velocity.

True

False

Question 5

5.

A constant velocity means both speed and direction remain unchanged.

True

False

Question 6

6.

Acceleration can only occur when an object speeds up.

True

False

Question 7

7.

If two forces act in opposite directions, the net force is found by adding them.

True

False

Question 8

8.

A time vs. distance graph with a straight horizontal line indicates the object is at rest.

True

False

Question 9

9.

A vector includes both magnitude and direction.

True

False

Question 10

10.

A velocity vs time graph can't have a negative velocity.

True

False

Question 11

11.

What is the unit of force?

Joule

Newton

Pascal 

Swift

Question 12

12.

Two forces, 10 N and 5 N, act in the same direction. What is the net force?

5 N

10 N

15 N

20 N

Question 13

13.

A car is moving at 20 m/s and comes to a stop in 4 seconds. What is its acceleration?

-5 m/s2

5 m/s2

-20 m/s2

4 m/s2

Question 14

14.

Which of the following represents a vector quantity?

distance

time

speed

velocity 

Question 15

15.

On a time vs. distance graph, what does a steeper slope indicate?

slower speed

faster speed

constant speed 

negative speed 

Question 16

16.

Which of the following scenarios involves no acceleration?

A car coming to a stop

A cyclist turning a corner

A train moving at constant velocity

A ball falling off a table

Question 17

17.

What happens when forces on an object are unbalanced?

The object remains stationary.

The object accelerates.

The object slows down and stops.

The object moves at constant speed.

Question 18

18.

A vector is described as having:

Only magnitude

Only direction

Both magnitude and direction

No physical meaning

Question 19

19.

The slope of a velocity vs. time graph gives:

Distance

Velocity

Acceleration

Speed

Question 20

20.

A horizontal line on a velocity vs time graph shows:

an object at rest or no motion 

an object moving with constant acceleration

an object moving with constant velocity 

an object returning to the reference point 

Question 21

21.

To describe motion, you need a _______  point.

Question 22

22.

_______  is the change in velocity over time.

Question 23

23.

An object moving in a straight line at constant speed has _______  acceleration.

Question 24

24.

To find how long an object was in motion, you would divide the distance by the _______. 

Question 25

25.

_______ is a change in distance over a period of time. 