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WorksheetsUnit 3 Review
Total questions: 20
Worksheet time: 10mins
Which of the following is balanced?
bird landing on a branch
a car braking for a red light
a swing moving back & forth
a book sliding across the table at constant speed
Which of the following is unbalanced?
a book sliding across a table at a constant speed
a swing moving back & forth
a ball sitting on a shelf
a car traveling on cruise control (same speed)
What is the net force?
10 N to the right
40 N to the left
20 N to the right
30 N to the left
What is the net force?
30 N to the left
90 N to the right
60 N to the right
90 N to the left
What is the net force for a balanced object?
5 N
0 N
100 N
none of the above
When would box 1 move upward?
more weights onto box 1
pull down on box 1
more weights on box 2
remove weights from box 2
What is the net force?
100 N
700 N
400 N
300 N
Who will experience a greater change in speed?
Mother
Daughter
Neither
Both
Why do the plates not move when he pulls the table cloth?
because a force was only applied to the table cloth, not the dishes.
because the table cloth is separate from dishes
because the table has 0 friction
because he is a magician
If a car that weight 15kg is experiencing a net force of 20 N. What is the car's acceleration?
5 m/s2
300 m/s2
.75 m/s2
1.3 m/s2
If the is accelerating at 5 m/s2. What is the car's mass?
20 kg
.25 kg
4 kg
100 kg
If the car weighs 50 kg, what is the car's acceleration?
5 m/s2
16.7 m/s
7 m/s2
.06 m/s2
The illustration shows a student about to throw a ball while standing on a skateboard. Which illustration below correctly shows the skateboard’s direction of motion after the student releases the ball?
A pitcher throws a ball toward a player holding a softball bat. The player uses the bat to hit the ball. The bat applies a 10-newton force to the ball. Which statement correctly describes the reaction force between the bat and ball?
The reaction force is the force that pulls the ball toward the ground
The reaction force is the force applied to the bat by the player holding the bat
The reaction force is the force of the ball on the bat
The reaction force is the force that causes the ball to move towards the bat.
Which of the following will have the least change in speed?
The 36 kg bowling ball
The 22 kg backpack
The 17 kg basketball
The 100 kg table
The car is traveling at 80 km/hr, then two equal forces in opposite directions are applied. What will happen to the car's motion.
it will speed up
it will remain going 80 km/hr
it will slow down
it will stop
Which one has the most acceleration?
a bowling ball
a basketball
a volley ball
a ping pong ball
Which one requires the most force to stop?
an 18 wheeler
a mini van
a truck
a bike
If a rock is thrown with 1N of force, what will happen i the force doubles?
it will go less distance
the distance will stay the same
it will go more distance
none of the above
Which of the following will have the least acceleration?
A 11 kg box
A 78 kg box
A 67 kg box
none of the above
