Question

If the mass of the car is 1000kg ,what is the force acting on it?

Answer 1

Answer:

F=ma

If a=10m/s^s

F=1000*10=10000 newton or if acceleration is not mentioned then force is 1000a

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Answer 2

Explanation:

Acceleration = resultant force ÷ mass

a = 5,000 N ÷ 1,000 kg = 5 m/s2

Resultant force and calculating acceleration

A car with 2 forces acting either side of it. On the left is Thrust of 4,000 newtons, on the right is Drag of 5,000 newtons.

To calculate the acceleration, you must find the resultant force so that you can divide it with the car's mass.

The resultant force = 4,000 N - 1,000 N = 3,000 N

= 3,000 N ÷ 1,000 kg

= 3 m/s2

The first car accelerates because the car is moving in the same direction as the resultant force. Now look at the second car.

A car with 2 forces acting either side of it. The car is moving to the left. On the right there is a drag of 7,000 newtons (air resistance & braking).

Resultant force = -7,000 N

= -7,000 N ÷ 1,000 kg

= -7 m/s2