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Physics - CH 4 Review

Physics - CH 4 Review

Assessment

Presentation

Science

10th Grade

Medium

NGSS
MS-PS2-2, MS-PS2-4, MS-ESS1-1

+5

Standards-aligned

Created by

Sean Sandvick

Used 1+ times

FREE Resource

4 Slides • 20 Questions

1

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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

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The combination of all the forces acting on an object is the...
1
net force
2
action force
3
reaction force
4
balance force

5

Multiple Choice

Find the acceleration of an object with 1 kg and 1 N.

1

10 N

2

1 N

3

1 m/s²

4

10 m/s2

6

Multiple Choice

A force of 20 N acts upon a 5 kg block. Calculate the acceleration of the object.

1

4 m/s²

2

0.25 m/s²

3

100 m/s²

4

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?

1

0.1 N

2

10 N

3

2.5 N

4

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?

1

300 N

2

33.3 N

3

0.03 N

4

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.

1

10.2 m/s/s

2

1852 m/s/s

3

5600 m/s/s

4

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.

1

1458 N

2

200 N

3

55 N

4

1987 N

11

Multiple Select

Question image

Which free body diagrams show balanced forces? (You can select more than 1)

1

A

2

B

3

C

4

D

5

E

12

Multiple Select

Question image

Which of the freebody diagrams show unbalanced forces?

1

A

2

B

3

C

4

D

13

Multiple Choice

Question image

Use the free-body diagram shown to determine the acceleration of this 91.8-kg object.

1

150 m/s/s down

2

1.63 m/s/s down

3

5.2 m/s/s down

4

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?

1

125 kg

2

59.2 kg

3

24.2 kg

4

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.

1

986.3 N

2

321.4 N

3

53.6 N

4

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?

1

0 N

2

25 N

3

75 N

4

15 N

17

Forces

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18

Fill in the Blanks

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Type answer...

19

Multiple Choice

Question image
A cart rolls down an inclined plane with constant speed as shown in the diagram below. Which arrow represents the direction of frictional force?
1
A
2
B
3
C
4
D

20

Multiple Choice

A block rests on a ramp, making angle θ with the horizontal. As theta is increased
1
the blocks mass will decrease
2
the blocks mass will increase
3
the blocks component of weight parallel to the ramp will increase
4
the blocks component of the weight parallel to the ramp will decrease

21

Multiple Choice

What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N? 
1
0.78
2
0.51
3
0.78 N
4
0.58 N

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?

1

0.61

2

0.51

3

0.49

4

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?

1

117.6 N

2

92.1 n

3

143 N

4

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?

1

21.6 N

2

32.6 N

3

0.75 N

4

126.8 N

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H. Physics Chapter 4 Review

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