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AP Physics 1 + 2: Newton's Laws Flashcards | StudBud
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AP Physics 1 + 2: Newton's Laws
AP Physics 1 + 2: Newton's Laws
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1
Two people are pulling on the ends of a rope with 100 N each. What is the Tension in the rope?
50 N
0 N
200 N
100 N
2
2 identical springs are stretched by 0.15 m when the 1.2 kg mass is suspended. What is k?
48 N/m
80 N/m
20 N/m
40 N/m
3
The block accelerates at 2.0 m/s
2
. What is the force of friction?
16.8 N
18 N
10.8 N
24 N
4
What is the tension in the horizontal cord?
210 N
150 N
0 N
300 N
5
What is the acceleration of the 3 kg block if friction is negligible?
8.0 m/s2
3.26 m/s2
5.6 m/s2
0 m/s2
6
A block, v
o
=4 m/s slides 8 m before v
f
=0m/s. Find μ
0.20
0.40
0.05
0.10
7
An object of weight W is suspended from the center of a massless string. What is T?
W/(2cosθ)
½Wcosθ
Wcosθ
W/cosθ
8
What is the acceleration of the cart?
2.6 m/s2
0.5 m/s2
1.6 m/s2
2.0 m/s2
9
A string with masses of 1.5 kg and 3 kg on its ends is hung over a frictionless pulley. Find a.
6.7 m/s2
1.5 m/s2
3.3 m/s3
3.0 m/s2
10
What is the magnitude on the frictional force acting on the broom of mass, m?
μ(mg+Tcosθ)
μ(mg-Tsinθ)
μ(mg+Tsinθ)
μ(mg-Tcosθ)
