Forces and Motion Review

Which of the following is NOT an acceleration?

• a car going at a constant speed on a straight path

• a car going at a constant speed in a circle

• a car going from 20m/s to 10m/s

• a car going from 10m/s to 20m/s

Why does a piece of paper fall slower than a canon ball?

• it is lighter

• it experiences more fluid friction

• it is smaller

• it reaches terminal velocity faster

Which ball has the greatest inertia?

• A

• B

• C

• D

A baseball player hits each ball with a 50N force. Which ball has the greatest acceleration?

• A

• B

• C

• D

Which ball has the greatest density?

• A

• B

• C

• D

Which of the following is a method for INCREASING friction?

• putting sand over an ice patch

• pouring water down a slide

• putting oil on a bicycle chain

• putting wheels on a suitcase

A tug of war where one team defeats another is an example of...

• balanced forces

• gravitational forces

• flatulence forces

• unbalanced forces

All objects on earth accelerate to the ground at _____ until they reach terminal velocity when air resistance is not a factor.

• 98 m/s

• 9.8 m/s

• 9.8 m/s/s

• 9.8 N

In order to calculate the amount of FORCE acting on an object, you need to find the product of the object's....

• mass and velocity

• speed and direction

• momentum and collision

• mass and acceleration

Anthony pushes on a wall. According to Newton's 3rd law...

• force and distance are affected.

• work is performed on the wall.

• the wall pushes back with the same amount of force.

• the wall accelerates in the same direction as Anthony's applied force.