Force and Motion

Change in velocity per unit of time.

• Speed

• Acceleration

• Velocity

• Motion

Which of the following is a unit for speed?

• m

• km

• km/h

• s/m

The distance traveled in a particular direction.

• distance

• displacement

• length

• height

Which of the following does not belong to the group?

• electromagnetic force

• frictional force

• gravitational force

• nuclear force

The change in position of an object with respect to a reference point.

• Force

• Motion

• Speed

• Acceleration

Which graph represents a uniformly and positively accelerated motion?

• 
• 
• 
• 

Complete the analogy.

Contact Foce: Applied Force ______________: Nuclear Force

• friction

• noncontact force

• normal force

• gravitational force

Complete the analogy.

Speed: Velocity

distance: ____________

• vector

• scalar

• displacement

• acceleration

Complete the analogy.

positive acceleration: __________________

zero acceleration: constant velocity

• constant speed

• increasing velocity

• decreasing velocity

• zero velocity

Complete the analogy.

Contact force: ________________

Noncontact force: gravitational force

• push and pull

• nuclear force

• electromagnetic force

• friction