1. What do you call the second law of motion?
2. The acceleration of an object is (inversely/directly) proportional to the net force acting on it.
3. The acceleration of an object is (inversely/directly) proportional to its mass.
4. The greater the mass of an object, the greater the amount of force is needed to accelerate it. (True of False)
5. The lesser the mass of an object, the lesser the amount of force is needed to accelerate it. (True of False)
6. How much force is required to accelerate an object with a mass of 5 kgs to 2 m/s2? (5 points) F =ma
7. What is the mass of the ball if it accelerates by 3 m/s2 when a force of 15 N is applied? (5 points) m = F/a
8. A 50 kg box is pushed with a force of 200 N. What will be its acceleration? (5 points) a = F/m
2. The acceleration of an object is (inversely/directly) proportional to the net force acting on it.
3. The acceleration of an object is (inversely/directly) proportional to its mass.
4. The greater the mass of an object, the greater the amount of force is needed to accelerate it. (True of False)
5. The lesser the mass of an object, the lesser the amount of force is needed to accelerate it. (True of False)
6. How much force is required to accelerate an object with a mass of 5 kgs to 2 m/s2? (5 points) F =ma
7. What is the mass of the ball if it accelerates by 3 m/s2 when a force of 15 N is applied? (5 points) m = F/a
8. A 50 kg box is pushed with a force of 200 N. What will be its acceleration? (5 points) a = F/m
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2. Directly
3. Directly
4. True
5. False
Answer:
1. The Law of Force and Acceleration.
2. Directly
3. Directly
4. True
5. True
6. Mass, m=5 kg
Mass, m=5 kg Acceleration, a=6 m/s2
Mass, m=5 kg Acceleration, a=6 m/s2 Therefore,
Mass, m=5 kg Acceleration, a=6 m/s2 Therefore,F=5×6
Mass, m=5 kg Acceleration, a=6 m/s2 Therefore,F=5×6 F=30 N
Mass, m=5 kg Acceleration, a=6 m/s2 Therefore,F=5×6 F=30 NHence, 30 N of force is required to accelerate the object of 5 Kg to 6 m/s2
7. According to Newton's second law of motion, the acceleration of an object equals the net force acting on it divided by its mass, or a=Fm.
8. F=ma
F=maa=F/m
F=maa=F/ma=500N/50kg
F=maa=F/ma=500N/50kga=10m/s2
Explanation:
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