2. which of the following is/are the benefit of using seatbelt/
a. seat belts cause a controlled deceleration of the person
b. seat belts stop you tumbling around inside the car if there is a collision
c. seat belts will keep you on your place when the vehicle is changing speed
d. all of the above
3. what is the standard unit for acceleration
a. s
b. m/s
c. m
d. m/s2
4. what does deceleration mean
a. increase in velocity
b. increase in distance
c. decrease in velocity
d. decrease in distance
5. which f the following does not contribute to acceleration
a. time
b. weight
c. final velocity
d. initial velocity
6. in a motion graph of distance vs time, what data should we put in the x-axis
a. time
b. weight
c. distance
d. acceleration
7. which of the following is not true about the object moving with constant speed
a. the object is not accelerating
b. the speed of the object is equal to zero
c. the distance travelled by the object increases uniformly
d. the speed of the object remains the same all throughout the travel