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Forces Review PreAP

Total questions: 47

Worksheet time: 1hrs 14mins

Name
Class
Date
1.

What is the elevation change from point A to point C?

a)

900 m

b)

1500 m

c)

500 m

d)

600 m

2.

What is the acceleration of an object with a mass of 23 kg being pushed with a force of 320 N?

a)

13.91 m/s

b)

7360 N/kg

c)

.071 kg/N

d)

13.91 m/s2

3.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
4.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
5.
Calculate the Net Force. 
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
6.

A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N opposing the motion. Calculate the acceleration of the object.

a)

8 m/s2

b)

6.4 m/s2

c)

5 m/s2

d)

9.6 m/s2

7.

1. An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required to produce this acceleration.

a)

1200 N

b)

75 N

c)

.013 N

d)

304 N

8.

Who wins the tug of war with what net force?

a)

The person on the left with 20 N

b)

The person on the left with 80 N

c)

The people on the right with 20 N

d)

The people on the right with 100 N

9.
What force keeps the moon in orbit around the Earth?
a)
Weight
b)
Mass
c)
Gravity
d)
Magnetism
10.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
11.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
12.
An unbalanced force causes:
a)
change in mass
b)
acceleration
c)
balanced forces
d)
change in time
13.
The same force acts on a heavy mass and a light mass. Which has a greater acceleration?
a)
The light mass
b)
The heavy mass
c)
They have the same acceleration.
d)
Neither will move.
14.
A box is pushed left with 35 N and right with 40 N of force. The box has a mass of 5 kg. What is the acceleration?
a)
5 m/s2
b)
1 m/s2
c)
25 m/s2
d)
8 m/s2
15.
What are balanced forces?
a)
forces of the same size, in opposite directions
b)
the same size in the same direction
c)
forces in opposite directions
d)
forces at right angles to each other
16.

If you are pushing a 1200 kg car with an acceleration of 0.5 m/s2 , what is the force you have applied to the car?

a)

600

b)

2400

c)

4.16

d)

60

17.
a)
b)
c)
d)
18.
a)
b)
c)
d)
19.

What is the correct order of the runners from fastest to slowest?

a)

A, B,C

b)

B, A, C

c)

C, B, A

d)

A, C, B

20.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
21.
How long did it take this object to travel 10 m?
a)
0 s
b)
10 s
c)
15 s
d)
20 s
22.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
23.

What is happening at line D?

a)

Stationary

b)

Accelerating

c)

Fast steady speed; moving away from the starting position

d)

Slower steady speed; moving away from the starting position

24.
If you travel 10 miles in 5 minutes, what is your speed?
a)
10 mi/min
b)
15 mi/min
c)
50 mi/min
d)
2 mi/min
25.

Which of the following is the correct equation for calculating SPEED?

a)

s = d / t

b)

s = d x t

c)

s = t / d

d)

s = d - t

26.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
27.
Which of the following is NOT an example of acceleration?
a)
a person jogging at 3 m/s along a winding path
b)
a car stopping at a stop sign
c)
a cheetah running 27 m/s east
d)
a plane taking off
28.

Which of the following is a measurement of velocity?

a)

16 m east

b)

25 m/s2

c)

55 m/h south

d)

60 km/h

29.

65 mi/hr around a curve is an example of...

a)

Speed

b)

Velocity

c)

Acceleration

d)

Direction

30.
An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator?
a)
the direction the elevator traveled
b)
how long the elevator was stationary
c)
how many times the elevator stopped
d)
the total distance the elevator traveled
31.
Acceleration is defined as the CHANGE in 
a)
time of motion to another place. 
b)
velocity 
c)
distance 
d)
speed
32.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
33.

Match the topographic map to its profile.

a)
b)
c)
d)
34.

Match the topographic map to its profile picture.

a)
b)
c)
d)
35.

What force is always opposite the direction of motion?

a)

Weight

b)

Tension

c)

Friction

d)

Spring

36.
A wheeled cart is moving to the right at a constant speed.  Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
37.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space 
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter 
d)
A rocket taking off 
38.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun 
d)
A baseball that has been thrown to home plate.
39.

A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

a)

100 Newtons, same direction

b)

100 Newtons, opposite direction

c)

200 Newtons, same direction

d)

200 Newtons, opposite direction

40.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
41.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
42.
On a topographic map of a mountain, you walk a longer distance to get to the top when the contour lines are
a)
spread out
b)
close together
c)
going down
d)
going up
43.
The height above sea level is called
a)
topographic
b)
contour
c)
elevation
d)
depth
44.

Gabriel sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?

a)

2 meters per second

b)

20 meters per second

c)

40 meters per second

d)

10 meters for second

45.

What is the speed of the marble at 2 s?

a)

5 m/s

b)

5 s/m

c)

20 m/s

d)

20 s/m

46.
The unit for speed is:
a)
m/s
b)
s
c)
m
d)
km
47.

1. A quarterback threw a football 50.0 meters. The ball's time in the air was 3.0 seconds. What speed did the ball travel through the air?

a)

150 m/s

b)

0.060 m/s

c)

6.0x10-1 m/s

d)

17 m/s

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