Force and Motion Review

Force and Motion Review

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Multiple Choice

If the boy is pulling with a force of 10 N and the girl is pushing with a force 20 N, what is the net force on the box?

• 10 N

• 20 N

• 30 N

• 0 N

Multiple Choice

Is the Net Force balanced or Unbalanced?

• Balanced

• Unbalanced

Multiple Choice

What is the net force and to what direction.

• 210 N to the right

• 280 N to the right

• 110 N to the left

• 180 N to the left

Multiple Choice

What is the net force?

• 17 N Right

• 3 N Right

• 3 N Left

• 17 N Left

Multiple Choice

What is the net force?

• 5 N

• 45 N to the left

• 5 N to the right

• 45 N to the right

Multiple Choice

Calculate the speed the dog is moving at in section A of the graph.

• 0.1 m/s

• 1 m/s

• 10m/s

• 0.01 m/s

Multiple Choice

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Multiple Choice

Allen travels 100 km in 5hrs. Find his average speed in km/h

• 5km/hr

• 10km/hr

• 50km/hr

• 20km/hr

Multiple Choice

A student runs two times around a running path at a local park. Each lap is 3 km. The student completes the first lap in 20 minutes. The student then sits on a bench and rest for 5 minutes before completing the second lap in 25 minutes. Which graph bests represents the student's motion?

• F

• G

• H

• J

Multiple Choice

This graph shows the motion of a bus for 5 minutes.

How far did the bus travel in 4 minutes?

• 500 m

• 800 m

• 1000 m

• 2000 m

Multiple Choice

Which of the following are examples of velocity?

a) 50 mph

b) 24 mph North

c) 24 mph Northeast

d) 30 mph West

• All but (d)

• All are velocity except (a)

• Only (b)

• None are velocity

Multiple Choice

88 m/s north

• Speed

• Velocity

• Acceleration

Multiple Choice

Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?

• A car driving at a constant speed

• A book sitting on top of a high shelf

• A toy train traveling in a circle

• A toy boat floating in a bathtub

Multiple Choice

Which of the following statements about speed and velocity is correct?

• Velocity only describes an object’s rate of motion.

• Speed describes how an object is changing its velocity.

• Speed and velocity both describe how an object is speeding up.

• Only velocity includes the direction an object is traveling.

Multiple Choice

When a car goes around a corner at 20 mph, why do we say it accelerates?

• The car is accelerating because of the velocity is constant

• The car accelerates because it's going 20 mph

• Cars always accelerate when they are in motion

• The car is accelerating because it's changing direction

Multiple Choice

What is happening at A?

• Stationary

• Accelerating

• Slower steady speed; moving away from the starting position

• Steady speed; returning to start position

Multiple Choice

Which graph matches the scenario?

Multiple Choice

The graph shows Ashley riding her bike to Maria's house.

What was occurring from point B to point C?

• She was increasing her speed.

• She stopped for 4 minutes

• She was decreasing in speed

Multiple Choice

At segment O-A, the bus is _________________.

• at rest

• accelerating

• moving constantly

Multiple Choice

Which graph shows a car traveling at a constant speed?

• None of these graphs

Multiple Choice

What does this graph represent?

• Constant motion

• Acceleration/ speeding up

• Stationary motion

Multiple Choice

At which point is potential energy greatest?

• W

• X

• Y

• Z

Multiple Choice

Where does the ball have the greatest Kinetic Energy and Least Potential energy?

• 1

• 2

• 3

• 4

Multiple Choice

Where does the cart have the most Kinetic Energy and least Potential Energy?

• W

• X

• Y

• Z

Multiple Choice

Where does the cart have the most Potential Energy and Least Kinetic Energy?

• W

• X

• Y

• Z

Multiple Choice

Where is the most Kinetic Energy?

• A

• B

• C

Multiple Choice

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical

• mechanical -> electrical

• chemical -> mechanical

• mechanical -> electromagnetic

Multiple Choice

The hand generator works by turning the handle which lights up the bulb. What energy transformation occurs as the handle is turned?

• Thermal to electrical

• Electrical to mechanical

• Mechanical to electrical to light

• Light to electrical

Multiple Choice

Which of the following is the correct chain of energy that takes place when a flashlight is turned on?

• chemical => electrical => light

• mechanical => electrical => light

• nuclear => chemical => light

• thermal => chemical => mechanical

Multiple Choice

What energy transformation occurs when a crock pot is plugged into an outlet and then the control knob is turned "on"?

• thermal to electrical

• mechanical to thermal

• electrical to thermal

• electrical to sound

Multiple Choice

A hairdryer converts --

• electrical energy into chemical

• electrical energy into thermal

• chemical energy into mechanical

• thermal energy into mechanical