GCSE Questions: Forces


(a) A car starts from rest and accelerates at 3m/s2.

Calculate the velocity of the car after 4s.

[3 marks]

(b) A roller coaster car moves down a slope with an acceleration of 5m/s2.

The force on the roller coaster car is 4000N.

Calculate the mass of the roller coaster car.

[3 marks]

[6 Marks TOTAL]