newton’s laws of motion review quiz & study guide
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What is the force applied by the acceleration of a 3.5 kg mass to 7 m/s 2 ? N kg●m/s kg ●m/s 2TRANSCRIPT
Newton’s Laws of Motion
Review Quiz & Study Guide
If an object weighs 463 N but has a mass of 125 kg, which planet is it on?
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1. Venus, 8.8 m/s2
2. Mars, 3.7 m/s2
3. Jupiter, 24.8 m/s2
What is the force applied by the acceleration of a 3.5 kg mass to 7 m/s2?
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1. 2 N2. 24.5 kg●m/s2
3. 0.5 kg ●m/s2
Which has more inertia?
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1. An empty dump truck2. A full dump truck
What velocity does a 10 kg wheelbarrow need to achieve a momentum of 14 kg●m/s?
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1. 1.4 m/s2. 0.714 m/s3. 140 m/s
What type of friction is exhibited by a lubricant?
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0% 0% 0%0%0%1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32
1. Sliding2. Rolling3. Fluid4. Air Resistance5. None of the
above
What is the acceleration of a mass of 9 kg applying a force of 36 N?
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1. 4 m/s2
2. 324 m/s2
3. 0.25 m/s2
What mass is required to apply a force of 32 N after an acceleration of 8 m/s2?
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1. 253 kg2. 4 kg3. 0.25 kg
What is the momentum of a 25 kg turkey rolling at 12 m/s?
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1. 2.08 kg●m/s2. 300 kg●m/s3. 0.48 kg●m/s
What acceleration would cause a 12 kg mass to produce a force of 90 kg●m/s2?
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1. 1080 m/s2
2. 0.133 m/s2
3. 7.5 m/s2
What type of friction is exhibited by the wheels on a cart?
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0% 0% 0%0%0%1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32
1. Sliding2. Rolling3. Fluid4. Air Resistance5. None of the
above
How much does a 63 kg object weigh in Newtons?
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1. 617 N2. 0.143 N3. 7 N
Which has more inertia?
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1. A freight train2. A cargo plane
What type of friction is exhibited by your fingerprints?
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0% 0% 0%0%0%1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 2021 22 23 24 25 26 27 28 29 30 31 32
1. Sliding2. Rolling3. Fluid4. Air Resistance5. None of the
above
If an object weighs 397 N, what is its mass?
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1. 0.02 kg2. 3890.6 kg3. 40.5 kg
You apply a 700 N force on the ground due to weight. Describe the force the ground applies to you.
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1. 700 N, downward2. 700 N, upward3. 350 N, upward4. 350 N, downward
Which has more inertia?
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1. An empty dump truck going 170 km/h
2. A full dump truck sitting on the highway
What is the momentum of an 8 kg bowling ball rolling at 9 m/s?
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1. 0.89 kg●m/s2. 1.13 kg●m/s3. 72 kg●m/s
What type of friction is exhibited by your shoes on the ground?
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1. Sliding2. Rolling3. Fluid4. Air Resistance5. None of the
above
What would the net force be if you throw a wrench in space with a force of 200 N?
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1. 0 N2. 200 N against the throw3. 200 N in the direction of the throw
What force does each swing rope apply?
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1. 845 N, downward2. 845 N, upward3. 422.5 N, upward4. 422.5 N,
downward
TEST TOMORROW• Sir Isaac Newton
– general contributions to science• Newton’s Laws of Motion
– Inertia– F = ma
• Balanced Forces• Net Force
– Action–Reaction Forces
TEST TOMORROW• Gravity
– Distance• Inverse-Square Law
– Mass• Larger mass, larger gravity
• Weight v. Mass– W = mg– g = 9.8 m/s2
TEST TOMORROW• Friction
– Sliding– Rolling– Fluid
• Lubricant• Air resistance
• Momentum– p = mv– Law of Conservation of Momentum