Question

A caravan of mass 800kg is towed by a car with an acceleration of 2m/s^2 .If the resistance to motion is 100N,what is the force exerted by the car ?

Answer 1

Answer: 1600 N

Step-by-step explanation:

The force exerted by the car to move the 800 kg-caravan is:

`F=m.a`

Where
`a=2 m/s^(2)` is the acceleration

`F=(800 kg)(2 m/s^(2))`

`F=1600 N` This is the force exerted by the car, which is greater than the resistance force
`F_(r)=100 N`. That is why the caravan is moving.