Question

can someone please give me physics numerical questions (chapter 9 Force of law and motion) till Newton's second law please class 9 .​

Answer 1

Answer:

Question 1: Calculate the force needed to speed up a car with a rate of 5ms–2, if the mass of the car is 1000 kg.

Question 2: If the mass of a moving object is 50 kg, what force will be required to speed up the object at a rate of 2ms–2?

Question 3: To accelerate a vehicle to 3m/s2 what force will be needed if the mass of the vehicle is equal to 100 kg?

Question 4: To accelerate an object to a rate of 2m/s2, 10 N force is required. Find the mass of object.

Question 5: If 1000 N force is required to accelerate an object to the rate of 5m/s2, what will be the weight of the object?

Question 6: A vehicle accelerate at the rate of 10m/s2 after the applying of force equal to 50000 N. Find the mass of the vehicle.

Question 7: What the acceleration a vehicle having 1000 kg of mass will get after applying a force of 5000N?

Question 8: After applying a force of 1000 N an object of mass 2000 kg will achieve what acceleration?

Question 9: An object requires the force of 100N to achieve the acceleration ‘a’. If the mass of the object is 500 kg what will be the value of ‘a’?

Explanation:

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Answer 2

1 . How much net force is required to accelerate a 1000 kg car at 4.00 m/s2?

2. If you apply a net force of 3 N on .1 kg-box, what is the acceleration of the box

3. A body of mass 1 kg undergoes a change of velocity of 4m/s in 4s what is the force acting on it?

4. If a net force of 7 N was constantly applied on 400 g object at rest, how long will it take to raise its velocity to 80 m/s?

5. A sedan car of mass 200kg is moving with a certain velocity . It is brought to rest by the application of brakes, within a distance of 20m when the average resistance being offered to it is 500N.What was the velocity of the motor car?