SPH 4U Dynamics & Statics Review
1. The FBD of a wagon being pulled along a horizontal surface is best represented by
2. The free-body diagram of a block being pushed up a rough ramp is best represented by
3. An object sits at rest on a ramp. Which of the following free-body diagrams best represents the forces
acting on the object?
4. An object has two forces acting on it: 8.4 N [S] & 7.5 N [E]. The magnitude of the net force is
a) 1.3 102 N d) 4.0 N
b) 16 N e) 0.9 N
c) 11 N
5. An object is pushed horizontally at a constant velocity. What can correctly be said about the forces acting
on the object?
