1. Which of the following is NOT true about force?
a. force is a vector quantity
b. force is a push or pull
c. force is the effect of which tends to change the state of motion of a body
d. force is not present if the object is not in motion
2.What is the unit of force in metric system?
a. Calorie
b. Joules
c. Netwons
d. Pounds
3. When a cabinet touches the floor, which type of forces exist?
a. contact force
b. friction force
c. normal force
d. tension force
4. what type of force is present when you push the wall?
a. applied force
b. friction force
c. normal force
d. tension force
5. Which of the following is an example of tension force?
a. magnets having magnetic poles
b. sitting on a chair
c. a truck passing on the bridge
d. walking across the room