Lesson 1 Review

The ______ on an object is its location

Is a change in an object's positions

• velocity

• motion

• acceleration

• speed

Is how fast an object's position changes over time.

• velocity

• motion

• acceleration

• speed

Is the speed and direction of an object.

• velocity

• motion

• acceleration

• speed

Is a change of velocity in time

• velocity

• motion

• acceleration

• speed

Force is any ​ (a)   or ​ (b)   . It can cause an object to start ​ (c)   or change ​ (d)   .

• push
• pull
• moving
• direction

What 2 factors affect the acceleration of an object?

Answer explanation

The two factors that affect an object's acceleration are the force and the weight on it.

Mark the situation where there is more force

A boy pushes on a box and moves it across the room. This is an example of ______.

• balanced forces

• unbalanced forces

• potential energy

• chemical energy

Objects in motion tend to stay in motion because of the property of ​​ (a)  

• gravity
• inertia
• friction
• force