Physics Revision sheet
Q1
Q2)
Q3)
Q4)
Q5)
Q6)
Q7)
Q8)
9
Q10)
11)
12)
Q13) A car is moving in a straight road
a)
The driving force is D and backward force is B
1.Explain which force is greater
……………………………………………………………………………………… (1)
2.Explain the cause of backward force
……………………………………………………………………………………… (1)
b) The weight of the car is 100000 N
The gravitation field strength is 10 N /Kg
i)
Calculate the mass of the car
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………… (1)
ii)
The resultant force on the car is 10,000 N. calculate the acceleration of the car
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………… (2)
iii)
Later, the car taking left at constant speed.
Explain why the car accelerates even though the speed is constant
………………………………………………………………………………
………………………………………………………………………………
……………………………………………………………………………… (1)
Total Marks [6]