
Physics - CH 4 Review
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Science
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10th Grade
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Medium
+5
Standards-aligned
Sean Sandvick
Used 1+ times
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4 Slides • 20 Questions
1
H. Physics Chapter 4 Review
2
Use your notes and your formulas to complete these tasks:
Fnet = ma
a = Fnet/m
Fw = mg
Ff = μn
3
To solve a Newtons 2nd law problem:
Draw a free-body diagram showing the direction and relative strength of each force acting on the system
Add the foce vectors to find the net force
Use Newton's second law to calculate the acceleration
Use what you know about accelerated motion to find the velocity or position of the object(s)
4
Multiple Choice
5
Multiple Choice
Find the acceleration of an object with 1 kg and 1 N.
10 N
1 N
1 m/s²
10 m/s2
6
Multiple Choice
A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.
4 m/s²
0.25 m/s²
100 m/s²
2 m/s²
7
Multiple Choice
Aliya kicks a soccer ball with a mass of 0.5 kg. It accelerates with a rate of 5 m/s². What would be the force she used to kick it?
0.1 N
10 N
2.5 N
15 N
8
Multiple Choice
The mass of a young elephant is 100 kg. How much force would be required to accelerate the elephant at a rate of 3 m/s²?
300 N
33.3 N
0.03 N
10 N
9
Multiple Choice
Sophia, whose mass is 52 kg, experienced a net force of 1800 N at the bottom of a roller coaster loop during her school's physics field trip to the local amusement park. Determine Sophia's acceleration at this location.
10.2 m/s/s
1852 m/s/s
5600 m/s/s
34.6 m/s/s
10
Multiple Choice
Determine the net force required to accelerate a 540-kg ultralight car at 2.7 m/s2.
1458 N
200 N
55 N
1987 N
11
Multiple Select
Which free body diagrams show balanced forces? (You can select more than 1)
A
B
C
D
E
12
Multiple Select
Which of the freebody diagrams show unbalanced forces?
A
B
C
D
13
Multiple Choice
Use the free-body diagram shown to determine the acceleration of this 91.8-kg object.
150 m/s/s down
1.63 m/s/s down
5.2 m/s/s down
110 ms/s/s up
14
Multiple Choice
An object is experiencing a constant acceleration of
2.11 m/s/s. It is being pushed along a horizontal surface by a 600-Newton force and experiences an opposing force of 475 Newtons. What is the mass of the object?
125 kg
59.2 kg
24.2 kg
10.4 kg
15
Multiple Choice
While skydiving, Dee Selerate opens her parachute and her 53.4-kg body immediately accelerates upward for an instant at 8.66 m/s/s. Determine the upward force experienced by Dee during this instant.
986.3 N
321.4 N
53.6 N
1045.2 N
16
Multiple Choice
A rightward force is applied to a 6-kg object to move it across a rough surface at constant velocity. The object encounters 15 N of frictional force. What is the applied force on the object?
0 N
25 N
75 N
15 N
17
Forces
18
Fill in the Blanks
Type answer...
19
Multiple Choice
20
Multiple Choice
21
Multiple Choice
22
Multiple Choice
A 20 kg minifridge resting on the floor requires a 120 N horizontal force to move it from rest. What is the coefficient of static friction between the minifridge and the floor?
0.61
0.51
0.49
0.69
23
Multiple Choice
The coefficient of static friction between a television and oak table is 0.4. If the television's mass is 30 kg, how much force is required to begin moving the television to the left?
117.6 N
92.1 n
143 N
75.7 N
24
Multiple Choice
A 5 kg plate of brisket is sliding across a table. If the coefficient of kinetic friction between plate and table is 0.44, how much force must be applied to the plate for it to slide at a constant velocity across the table?
21.6 N
32.6 N
0.75 N
126.8 N
H. Physics Chapter 4 Review
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