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Knight_ch10

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Chapter 10
Rank in order, from
largest to smallest, the
gravitational potential
energies of balls 1 to 4.
1. (Ug)1 > (Ug)2 > (Ug)3 > (Ug)4
2. (Ug)4 > (Ug)3 > (Ug)2 > (Ug)1
3. (Ug)1 > (Ug)2 = (Ug)4 > (Ug)3
4. (Ug)3 > (Ug)2 = (Ug)4 > (Ug)1
5. (Ug)4 = (Ug)2 > (Ug)3 > (Ug)1
Rank in order, from
largest to smallest, the
gravitational potential
energies of balls 1 to 4.
1. (Ug)1 > (Ug)2 > (Ug)3 > (Ug)4
2. (Ug)4 > (Ug)3 > (Ug)2 > (Ug)1
3. (Ug)1 > (Ug)2 = (Ug)4 > (Ug)3
4. (Ug)3 > (Ug)2 = (Ug)4 > (Ug)1
5. (Ug)4 = (Ug)2 > (Ug)3 > (Ug)1
A small child slides down the four frictionless slides A–D.
Each has the same height. Rank in order, from largest to
smallest, her speeds vA to vD at the bottom.
1.
2.
3.
4.
5.
vA = vB = v C = vD
vD > vA = v B > vC
vD > vA > v B > vC
vC > vA = v B > vD
vC > vB > v A > vD
A small child slides down the four frictionless slides A–D.
Each has the same height. Rank in order, from largest to
smallest, her speeds vA to vD at the bottom.
1.
2.
3.
4.
5.
vA = vB = v C = vD
vD > vA = v B > vC
vD > vA > v B > vC
vC > vA = v B > vD
vC > vB > v A > vD
A box slides along the frictionless surface shown in the
figure. It is released from rest at the position shown. Is the
highest point the box reaches on the other side at level a, at
level b, or level c?
1. At level a
2. At level b
3. At level c
A box slides along the frictionless surface shown in the
figure. It is released from rest at the position shown. Is the
highest point the box reaches on the other side at level a, at
level b, or level c?
1. At level a
2. At level b
3. At level c
The graph shows force
versus displacement for
three springs. Rank in
order, from largest to
smallest, the spring
constants k1, k2, and k3.
1.
2.
3.
4.
5.
k3 > k2 > k 1
k1 = k3 > k 2
k2 > k1 = k 3
k1 > k2 > k 3
k1 > k3 > k 2
The graph shows force
versus displacement for
three springs. Rank in
order, from largest to
smallest, the spring
constants k1, k2, and k3.
1.
2.
3.
4.
5.
k3 > k2 > k 1
k1 = k3 > k 2
k2 > k1 = k 3
k1 > k2 > k3
k1 > k3 > k 2
A spring-loaded gun shoots a plastic ball with a speed
of 4 m/s. If the spring is compressed twice as far, the
ball’s speed will be
1. 16 m/s.
2. 8 m/s.
3. 4 m/s.
4. 2 m/s.
5. 1 m/s.
A spring-loaded gun shoots a plastic ball with a speed
of 4 m/s. If the spring is compressed twice as far, the
ball’s speed will be
1. 16 m/s.
2. 8 m/s.
3. 4 m/s.
4. 2 m/s.
5. 1 m/s.
A particle with the potential energy shown in the graph is
moving to the right. It has 1 J of kinetic energy at x = 1 m.
Where is the particle’s turning point?
1.
2.
3.
4.
5.
x=2m
x=3m
x=4m
x=5m
x=6m
A particle with the potential energy shown in the graph is
moving to the right. It has 1 J of kinetic energy at x = 1 m.
Where is the particle’s turning point?
1.
2.
3.
4.
5.
x=2m
x=3m
x=4m
x=5m
x=6m
Chapter 10
Reading Quiz
Energy is a physical quantity with properties
somewhat similar to
1. money.
2. heat.
3. a liquid.
4. work.
5. momentum.
Energy is a physical quantity with properties
somewhat similar to
1. money.
2. heat.
3. a liquid.
4. work.
5. momentum.
Hooke’s law describes the force of
1. gravity.
2. tension.
3. a spring.
4. collisions.
5. none of the above.
Hooke’s law describes the force of
1. gravity.
2. tension.
3. a spring.
4. collisions.
5. none of the above.
A perfectly elastic collision is a collision
1. between two springs.
2. that conserves potential energy.
3. that conserves thermal energy.
4. that conserves kinetic energy.
5. All of 2, 3, and 4.
A perfectly elastic collision is a collision
1. between two springs.
2. that conserves potential energy.
3. that conserves thermal energy.
4. that conserves kinetic energy.
5. All of 2, 3, and 4.
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