IB Physics SL A.2.2 Applications of Newton’s Laws
Practise resolving forces in contact, elevator and accelerating-block problems using free-body diagrams and resultant force.
- Syllabus
- First assessment 2025
- Course
- Physics SL
- Level
- SL
Exam points
- Resolve contact and vertical forces to determine equilibrium or acceleration.
A.2.2—Forces as interactions between bodies question 1
An elevator (lift) and its load accelerate vertically upwards.
Which statement is correct in this situation?
A
The net force on the load is zero.
B
The tension in the cable is equal but opposite to the combined weight of the elevator and its load.
C
The normal reaction force on the load is equal but opposite to the force on the elevator from the load.
D
The elevator and its load are in translational equilibrium.
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