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WorksheetsForces and Motion A & C
Total questions: 30
Worksheet time: 3600secs
Name
Class
Date
1.
What Cause the balloon to move along the string?
a)
Friction between the string and straw
b)
Force from the string
c)
Weight of the balloon containing air
d)
Force from the escaping air
2.
Physicists use reference points when tracking an object's motion. What is a necessary requirement for a valid reference point?
a)
It is accelerating
b)
It is decelerating
c)
It is stationary
d)
It is changing direction
3.
What principle explains the magic trick of pulling a table cloth off and the dishes stay put?
a)
Inertia
b)
Force
c)
Gravity
d)
Magnitude
4.
What statement most accurately describes the effect of gravity on the ball's motion?
a)
It will keep the ball's speed constant while the ball is moving
b)
It will cause the ball to change direction and fall down
c)
It will keep the ball in motion as the ball travels upward
d)
It will increase the ball's speed as the ball moves upward
5.
What relationship exist between mass and inertia?
a)
As mass increases, inertia decreases
b)
Mass cancels the property of inertia
c)
Mass stabilizes the property of inertia
d)
As mass increases, inertia increases
6.
What statement best predicts what will happen after the marbles collide?
a)
After they collide, they wil immediately stop moving
b)
After they collide, they will move away at right angles to each other
c)
After they collide, they will move apart at nearly the same speed in opposite directions.
d)
After they collide, marble A will stop, and marble B will move away in the opposite direction
7.
What statement describes the motion of the yo-yo if the string breaks?
a)
The yo-yo will continue to follow a circular path due to centripetal force
b)
The yo-yo will follow a straight line path initially because of inertia.
c)
The yo-yo will immediately fall to the ground because of the force of gravity
d)
The yo-yo will reverse its direction because of action-reaction forces.
8.
A student on the track team is able to run the 100m dash in 12.3 seconds. What is the average speed of this runner during the dash?
a)
8.130m/s
b)
0.123m/s
c)
0.813m/s
d)
1230.00m/s
9.
During which time is the school bus accelerating?
a)
Point A to B
b)
Point C to D
c)
Point D to E
d)
Point E to F
10.
What variables must be known to determine the average speed of a moving abject?
a)
Direction and Time
b)
Distance and Time
c)
Magnitude and Distance
d)
Magnitude and direction
11.
What is the object's acceleration between 10 and 20 seconds
a)
10m/s2
b)
5m/s2
c)
1m/s2
d)
0m/s2
12.
What is the average speed of a sprinter that runs the 60 meter race in 6 seconds?
a)
36.0m/s
b)
360m/s
c)
0.1m/s
d)
10.0m/s
13.
Which statement about the objects motion is true?
a)
The speed at segment 2 is faster than segment 3
b)
The speed at segment 3 is slowest
c)
The speed at segment 4 is faster than segment 3
d)
The speed is greatest at segment 3
14.
Al walks 560 meters from school to her favorite bookstore. She takes 8 minutes to get there. What is her average speed?
a)
70m/min
b)
56m/min
c)
64m/min
d)
80m/min
15.
Which statement correctly interprets the graph?
a)
Student A started the race faster. Steeper slope than line representing Student B.
b)
Student B started faster. The line representing student B has a steeper slop than A
c)
Student A started faster. Flatter slope than the line representing B
d)
Student B started the race faster. Flatter slope than the line representing student A
16.
School bus travels 40km in 1 hour. What is the appropriate unit for the average speed of the bus?
a)
km
b)
hr
c)
hr/km
d)
km/hr
17.
What will happen if the same braking force is applied to a motorcycle and a dump truck both moving at 50km/h?
a)
The dump truck will take longer to come to a stop because it has a greater mass
b)
The motorcycle will come to a stop more quickly because it has a greater mass.
c)
The dump truck will come to a stop more quickly because it has a greater mass
d)
The motorcycle will take longer to come to a stop because it has less mass
18.
Jim drops a basketball on the floor, and it bounces upwards. Which of Newton's laws can be used to explain why this phenomena occurs?
a)
Newton's third law
b)
Newton's second law
c)
Newton's first and second law
d)
Newton's second and third law
19.
Kim is driving a car and has a mass of 60kg. Kristen is her passenger and has a mass of 90kg. Kim brakes suddenly. Who experiences the greatest force due to the seatbelt?
a)
Kim. She has the least mass.
b)
Kristen. She has the greatest mass.
c)
Kristen. She has the greast speed.
d)
Kim. She has the least speed
20.
According to the diagram where does the object have no motion?
a)
4
b)
3
c)
2
d)
1
21.
Seperate cannons with same explosives fire different sized cannon balls. On weighs 2kg and the other weighs 4kg. The lighter travels twice as far than the heavier. Which law explains this?
a)
Newton's 1st law
b)
Newton's 2nd law
c)
Newton's 3 law
d)
Newton's 4th law
22.
Ike flew on a plane to St. Louis. He flew 600 miles in 2 hours from Columbia to St. Louis. He flew 600 miles back and it only took 1.5 hours.
a)
100 mph
b)
200 mph
c)
300 mph
d)
400 mph
23.
To have motion, a body must experience a change in what?
a)
Velocity
b)
Acceleration
c)
Position
d)
Direction
24.
What does the graph represent about the motion of an object?
a)
The object is at rest
b)
The object is moving at a constant speed
c)
The object is accelerating
d)
The object is decelerating
25.
Which description explains the car's motion?
a)
Constant speed from W to X
b)
Increasing acceleration from W to X
c)
increasing speed from W to Y
d)
Constant acceleration from W to Y
26.
Which statement can be explained by Newton's first law?
a)
More force is required to move a heavy box than a light box
b)
A fireman feels a push backwards from a fire hose as water flows out of the hose.
c)
A driver in a moving car continues to move forward after applying the car's brakes
d)
more people pushing a
27.
How far from its original position(at t=0) was the horse after 18 seconds?
a)
20 m
b)
12 m
c)
10 m
d)
4 m
28.
Which statement is one of Newton's Laws?
a)
The total amount of energy in a closed system will remain constant
b)
In the absences of an unbalanced force, an object in motion will stop moving
c)
The amount of force acting on an object is equal to its mass multiplied by the acceleration of the object
d)
For every force the is a reaction in the opposite direction that is equal to one half the initial force
29.
What is a correct description of Newton's second law of motion?
a)
Acceleration is directyly proportional to the force applied for an object of fixed mass
b)
Acceleration is directly proportional to an object's mass for a constant applied force
c)
Force is inversly proportional to acceleration for an object of fixed mass
d)
Force is inversely proportional to mass for objects moving with a constant acceleration
30.
A cyclist in a bike race travels 28km in the first hour and 22km in the second hour. What is the cyclist's average speed?
a)
22km/hr
b)
25km/hr
c)
28km/hr
d)
50km/hr
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