Worksheets12IB Topic 2 Revision
Total questions: 10
Worksheet time: 19mins
A body moves on a straight line. The graphs show the variation of displacement with time.Which graph shows motion with negative acceleration?
In which diagram are the forces balanced?
A
B
C
D
A Weight W is suspended from two strings. What is the weight?
10 N
20 N
30 N
34.6 N
A small explosion is used to separate a space capsule from its rocket, after the rocket fuel is used up.
Which statement(s) about the process are true?
the total momentum of the system increases
the total kinetic energy of the system increases
the total momentum of the system remains constant
the total kinetic energy of the system remains constant
The momentum of a system is conserved if
no external forces act on the system
no friction forces act within the system.
no kinetic energy is lost or gained by the system
the forces acting on the system are in equilibrium
What is the area under an acceleration time graph?
speed
change in speed
velocity
change in velocity
distance
What is the gradient of a velocity time graph?
acceleration
distance
displacement
speed
Which of these could not be a positive acceleration?
Acceleration towards the Earth as an object falls.
Slowing down while moving in the negative direction.
Speeding up while moving in the positive direction.
Acceleration of an object thrown upwards from the surface of the Earth with an initial velocity of 8m s-1.
