Forces and Motion Book K Unit 1

A force is defined as a (Check all that apply)

• Push

• Pull

• Spin

• Rotation

A reference point is defined as

• the ending point you choose to describe the position of an object

• the starting point you choose to describe the position of an object

• the spot you point to where position is referenced

Motion is the process of changing position.

• True

• False

Velocity is the speed and _________ of a moving object.

• vector

• magnitude

• direction

• motion

Which of the following are an example of acceleration? CHOOSE ALL THAT APPLY :)

• A car traveling at 55 km/hr

• A motorcycle turning left at 4 m/s.

• A bike applying its brakes to slow down.

• A plane changing speed upon lift-off.

• A dog jogging at 5 m/s.

Select the correct unit of measurement for Force.

• Joules

• Isaacs

• Newtons

• meters per second

What is the net force shown in the free body diagram?

• 0 Newtons stationary

• 3 Newtons left

• 2 Newtons right

• 8 Newtons right

Does the free body diagram demonstrate:

• Unbalanced forces

• Balanced forces

Part of Newton's 1st law of motion states that an object in motion will stay ___________.

• At rest.

• in motion.

• static.

• in friction.

Newton's 2nd law states:

• Force= Mass X Inertia

• Force= Mass X Acceleration

• Acceleration= Mass X Force