Phy 111 Final Exam Practice Evaluation 2026 Question Bank Full Solution Set

PHY 111 FINAL EXAM PRACTICE
EVALUATION 2026 QUESTION BANK
FULL SOLUTION SET
PHY 111 FINAL EXAM PRACTICE EVALUATION 2026
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Instructions: Choose the single best answer for each question.
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1. Kinematics (1D Motion)
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A car accelerates from rest at a constant rate of 2.0 m/s22.0m/s2 for 5.0 seconds. What is the t
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otal distance traveled by the car during this time?
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• A) 10 m hg hg




• B) 25 m hg hg




• C) 50 m hg hg




• D) 100 m hg hg




• Correct Answer: B (Using x=v0t+12at2=0+12(2)(5)2=25 mx=v0t+21at2=0+21
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(2)(5)2=25m)



2. Kinematics (Projectile Motion)
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A ball is thrown horizontally from the top of a 45-meter-
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tall cliff with a speed of 10 m/s10m/s. Ignoring air resistance, approximately how long does it t
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ake for the ball to hit the ground? (g=9.8 m/s2g=9.8m/s2)
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• A) 2.1 s hg hg




• B) 3.0 s hg hg




• C) 4.6 s hg hg




• D) 9.0 s hg hg




• Correct Answer: B (Time depends only on vertical motion: 45=12(9.8)t2⇒t≈3.03 s45=2
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1(9.8)t2⇒t≈3.03s)

,3. Newton's Laws (Forces)
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A 5.0 kg box is pulled across a frictionless horizontal surface by a horizontal force of 20 N. Wha
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t is the acceleration of the box?
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• A) 0.25 m/s20.25m/s2
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• B) 4.0 m/s24.0m/s2
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• C) 10 m/s210m/s2
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• D) 100 m/s2100m/s2
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• Correct Answer: B (Using F=ma⇒a=F/m=20/5=4.0 m/s2F=ma⇒a=F/m=20/5=4.0m/s2)
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4. Newton's Laws (Friction)
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A 10 kg crate is at rest on a horizontal floor. The coefficient of static friction is 0.40 and the coe
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fficient of kinetic friction is 0.30. What horizontal force is required to start the crate moving?
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• A) 29.4 N hg hg




• B) 39.2 N hg hg




• C) 98.0 N hg hg




• D) 392 N hg hg




• Correct Answer: B (Maximum static friction: fsmax=μsFN=μsmg=0.40×10×9.8=39.2 Nfs
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max=μsFN=μsmg=0.40×10×9.8=39.2N)



5. Work and Energy
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A force of 50 N is used to push a box 4.0 meters across a floor at a constant velocity. How muc
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h work is done by the force?
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• A) 12.5 J hg hg




• B) 50 J hg hg




• C) 200 J hg hg




• D) 0 J hg hg




• Correct Answer: C (W=Fdcos⁡θ=50×4×cos⁡(0∘)=200 JW=Fdcosθ=50×4×cos(0∘)=200J
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)

,6. Work-Energy Theorem
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A 2.0 kg object is moving at 3.0 m/s3.0m/s. What is its kinetic energy?
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• A) 3.0 J
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• B) 6.0 J
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• C) 9.0 J
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• D) 18 J
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• Correct Answer: C (KE=12mv2=12(2)(3)2=9 JKE=21mv2=21(2)(3)2=9J)
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7. Conservation of Energy
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A 1.0 kg ball is dropped from a height of 10 meters. Ignoring air resistance, what is its speed ju
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st before it hits the ground? (g=9.8 m/s2g=9.8m/s2)
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• A) 7.0 m/s
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• B) 9.8 m/s
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• C) 14 m/s
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• D) 98 m/s
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• Correct Answer: C (mgh=12mv2⇒v=2gh=2×9.8×10≈14 m/smgh=21mv2⇒v=2gh
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=2×9.8×10≈14m/s)



8. Momentum and Impulse
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A 0.5 kg ball is moving at 10 m/s10m/s and is brought to rest in 0.2 seconds by a force. What i
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s the magnitude of the average force exerted on the ball?
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• A) 1 N
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• B) 5 N
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• C) 25 N
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• D) 50 N
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• Correct Answer: C (Impulse = Change in momentum: FΔt=mΔv⇒F=0.5×10/0.2=25 NFΔ
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t=mΔv⇒F=0.5×10/0.2=25N)

, 9. Conservation of Momentum
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A 4.0 kg object moving at 6.0 m/s6.0m/s collides elastically with a stationary 2.0 kg object. If th
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e collision is perfectly elastic, which of the following is true?
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• A) Kinetic energy is conserved.
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• B) Momentum is not conserved.
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• C) The objects stick together after the collision.
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• D) The 4.0 kg object stops completely.
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• Correct Answer: A (By definition, kinetic energy is conserved in an elastic collision.)
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10. Rotational Kinematics
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A wheel rotates with a constant angular acceleration of 2.0 rad/s22.0rad/s2. If it starts from rest,
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what is its angular velocity after 3.0 seconds?
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• A) 1.5 rad/s
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• B) 3.0 rad/s
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• C) 6.0 rad/s
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• D) 9.0 rad/s
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• Correct Answer: C (ω=ω0+αt=0+(2)(3)=6.0 rad/sω=ω0+αt=0+(2)(3)=6.0rad/s)
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11. Torque hg




A wrench is used to tighten a bolt. A force of 20 N is applied perpendicular to the wrench at a
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distance of 0.25 m from the bolt. What is the torque applied?
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• A) 0.25 N·m
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• B) 5.0 N·m
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• C) 20 N·m
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• D) 80 N·m
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• Correct Answer: B (τ=rFsin⁡θ=0.25×20×sin⁡(90∘)=5.0 N⋅mτ=rFsinθ=0.25×20×sin(90∘)
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=5.0N⋅m)