Unit 2: Force Test Review

Two siblings are fighting over a toy. The siblings are pulling in opposite directions with equal force so that the toy is not moving. This is an example of

• unbalanced forces

• balanced forces

• acceleration

• displacement

Which of the following is measured in Newtons?

• weight

• momentum

• mass

• acceleration

The upward force on an object falling through the air is ___.

• air resistance

• momentum

• inertia

• gravity

The relationship among mass, force, and acceleration is explained by ___.

• Law of Conservation of Momentum

• Newton's 1st Law of Motion

• Newton's 2nd Law of Motion

• Newton's 3rd Law of Motion

According to Newton's laws, for any object, the greater the force that's applied to it, the greater its ____ will be.

• acceleration

• inertia

• gravity

• size

The size of the gravitational force between two objects depends on their ___.

• frictional forces

• inertia

• masses and the distance between them

• speed and direction

Calculate the force on an object that has a mass of 10 kg and an acceleration of 4 m/s².

• 40 N

• 8 N

• 2.5 N

• 0.4 N

A push or pull one body exerts on another is a(n) ___.

• gravity

• inertia

• air resistance

• force

Mass in motion is called ___.

• weight

• momentum

• inertia

• force

Calculate the mass of an object that is accelerating 28 m/s² with a force of 840 N.

• 30 kg

• 30 m

• 23,520 kg

• 23,520 m