# Formal Assessment 4 In Physics Under Mr. Tan

9 Questions | Total Attempts: 101

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This is the fourth quiz for physics under my class. The result of this assessment will be added to a take home quiz. Password is physics. Please save the certificate and email to me your scores and certificates. My email is [email protected] Com

• 1.
Newton's second law of motion has to something to do with
• A.

Inertia

• B.

Acceleration

• C.

Reaction

• D.

Action at a distance

• 2.
Newton's 1st law has something to do with
• A.

Inertia

• B.

Acceleration

• C.

Reaction

• 3.
What force at 70 ° ; has an x-component of 0.450 Newtons? What is its y-component?
• A.

(a) 1.3 N, (b) 1.2 N

• B.

(a) 0.48 N, (b) 0.16 N

• C.

(a) 0.15 N, (b) 0.42 N

• D.

(a) 0.42 N, (b) 0.42 N

• E.

(a) 0.53 N, (b) 0.53N

• 4.
A certain force has a x component (East) of 30 N and a y component of the same magnitude (North). What is its direction?
• A.

30 degrees N of E

• B.

15 degrees N of E

• C.

45 degrees N of E

• D.

40 degrees E of N

• E.

10 degrees N of E

• 5.
A rocketship moves in outer space even though there is nothing to push against. This is an application of the __ of motion
• A.

1st law

• B.

2nd law

• C.

3rd law

• 6.
People need seatbelts to prevent injuries from the tendency of the body to surge forward because of collisions. This tendency follows the __ of motion
• A.

1st law

• B.

2nd law

• C.

3rd law

• 7.
Two objects with different masses are pushed by a force of similar magnitude. If no other force is acting on them then
• A.

The smaller mass will have less less acceleration

• B.

Both objects will have the same acceleration

• C.

The smaller mass will have greater acceleration

• D.

Both will attain the same velocity

• 8.
Two guys have different masses. The guy with a bigger mass has greater weight than the guy with smaller mass in the presence of a gravitational field. This is an application of the __
• A.

1st law

• B.

2nd law

• C.

3rd law

• 9.
You decide to measure your body weight with a spring scale inside an elevator. The elevator is inexplicably cut from its cable and goes into free fall. What would the measure in the spring scale be?
• A.

It would be slightly less than your real weight

• B.

The measure on the spring scale will be greater than your weight

• C.

Your body mass will change because of free fall

• D.

The measure on the spring scale will be 0

• E.

How could this ever happen to me?

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