Sci 8 -- Forces & Motion Test Practice

Match the following

• inertia

• the relationship between force and acceleration

• direct

• the tendency of an object to resist a change in motion

• inverse

• The relationship between the acceleration of an object and its mass

Tags

NGSS.MS-PS2-2

​ (a)   occurs when the force acting on an object is greater than its​ ​ (b)  

• Acceleration
• mass
• friction
• vector
• inertia

Tags

NGSS.MS-PS2-2

An object will​ (a)   when acted upon by an unbalanced force.

• accelerate
• slow down
• stop
• change direction

Tags

NGSS.MS-PS2-2

If you are experimenting to determine how an object's mass affects its motion you should ______

• apply two forces of different strengths to the same object.

• apply two forces of the same strength to two objects with different masses.

• apply two forces of the same strength to the same object, while changing the friction force of the surface the object is sitting on between trials.

Tags

NGSS.MS-PS2-2

Assuming constant negative acceleration, what was the displacement of a truck moving at 8 m/s during the 4 seconds it came to a stop?

• 4 Meters

• 8 Meters

• 16 Meters

• 32 Meters

In which scenario does the object in motion have an acceleration of zero?

• A student who just began the pacer from a standing start.

• A e-bike rider slowing down as they approach an intersection.

• A train travelling on straight track between two stations at a constant speed.

• An egg falling after being dropped by a student standing at the top of a step ladder.

The table at left shows the relationship between force and acceleration for an object.

What is the mass of that object?

• 3 kg

• 5 kg

• 7 kg

• 9 kg

Tags

NGSS.MS-PS2-2

The table at left details information on the motion of six objects over a period of 20 seconds.

How many of the objects experienced acceleration?

• 2

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS3-1

Match the following

• Average Speed

• Total distance traveled per change in time

• Distance

• Speed that does not change

• Constant Speed

• The speed of a moving object at a given moment

• Instantaneous Speed

• Speed x Time

​ (a)   is the measure of speed and direction.

​ (b)   is the measure of distance and direction.

• Velocity
• Displacement