Physical Science: Motion, Forces, and Energy, Book M

Chapter 2: Force and Newton's Laws

Standardized Test Practice

1.
The box above is pushed from the left with a horizontal force. What is the total frictional force on the box?

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A)13.5 N
B)1.5 N
C)15 N
D)16.5 N
2.
What is the acceleration of the box?

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A)2.6 m/s2
B)3.0 m/s2
C)3.3 m/s2
D)3.7 m/s2
3.
What is the weight of a toy car that has a mass of 0.28 kg?
A)0.028 N
B)3.5 N
C)35 N
D)2.7 N
4.
Which object would have an acceleration of 1.5 m/s2 if you pushed on it with a force of 0.36 N?

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A)book
B)ruler
C)can
D)stapler
5.
Which object would have the least acceleration if you pushed on it with a force of 6.5 N?

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A)book
B)can
C)ruler
D)stapler
6.
Which of the following is true about gravitational force?
A)It is a repulsive force.
B)It grows stronger with distance.
C)It exists between a person and a desk.
D)It does not depend on the mass of objects
7.
A 5.0-kg box is pushed across the floor with a force of 32 N. What is the frictional force on the box if the box's acceleration is 3.6 m/s2?
A)14 N
B)17 N
C)18 N
D)31 N
8.
What is the acceleration of a 9.6-kg rock if gravity pulls it downward, but air resistance pushes upward with a force of 2.8 N?
A)9.5 m/s2 upward
B)9.8 m/s2 downward
C)9.8 m/s2 upward
D)9.5 m/s2 downward
9.
The combination of units written kg·m/s2 can be used for which of the following?
A)acceleration
B)mass
C)force
D)weight
10.
Gravitational pull on Earth is 6 times the gravitational pull on the Moon. If a rock on the moon has a mass of 1.2 kg, what is its mass on Earth?
A)0.20 kg
B)1.2 kg
C)0.60 kg
D)7.2 kg
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