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?

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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