Category Review: Of Force

Category Review

1. An example of a physical amount of a vector
   A. There is information about balls and mass.
   B. There are information about temperature.
   C. There is information about quantity and direction.
   D Only information about the army is available.
2. The height of the sound can be measured in Decibel. what do you think
   Height is a vector? Why or why not explain.
3. The picture shows three forces acting on a pencil. What Happens
   Acting net ball pencil?
4. If an object means a balance,
   A. The object's net force is zero.
   B. The objects have a total mass of zero.
   C. No power is played over the object.
   D Only ordinary forces are acting on objects.
5. A train is a gradual climbing hill. Train weight creates one
   150,000 newtons downhill ball. Friction creates an extra
   At the same speed (downhill) acting 25,000 newton power.
   How much power will the train engine to produce?
   Trains are unbalanced.
6. Sit in the chair and draw a free body image of your body.
   Include all the forces acting in your body.
7. A ball has a negative value, such as - 100 n, its meaning
   Force
   A. 100 n is less in energy
   B. A + 100 n ball works in opposite direction.
   C. A normal power.
8. 150 new weight children are sitting in a swing. Is swing
   Supported by two ropes, one on each side. What is tension
   Rope one?