Forces and Motion

Quiz by Lynn Richardson

Science (2010)
Texas Essential Knowledge and Skills (TEKS)

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15 questions
• Q1

When you change the position of a heavy box by pushing it up a ramp, you are using a

inclined plane

wedge

compound machine

30s
• Q2

An object made up of two or more simple machines combined is a

fulcrum

compound machine

wedge

30s
• Q3

The object that supports a lever is a

inclined plane

wedge

fulcrum

30s
• Q4

When you use force to move an object, you are doing_______ ?

inclined plane

wedge

work

30s
• Q5

Two inclined planes placed together that make an edge form a _________.

inclined plane

compound machine

wedge

30s
• Q6

Jorge wants to demonstrate how pulling an object can change its position. Which could he do?

use a lever to lift a package

Use a pulley to lift a sail

use a wedge to cut wood

30s
• Q7

Your friend wants to change the motion of a basket from stationary to moving straight up by pulling. Which one of the following simple machines would you observe him using to do this?

pulley

lever

inclined plane

30s
• Q8

The picture shows a compass. If you place a magnet at the spot marked with the star, where will the compass needle point?

between N and S

at the N

at the E

30s
• Q9

Restaurant workers are pushing wheeled boxes of groceries. They change the motion and position of each box from stationary on the sidewalk to moving up a ramp. There are two ramps. One ramp is 3 m long. The other one is 5 m long. Both ramps have one end on the sidewalk and one end on the top step of the restaurant. Which statement accurately compares the ramps?

It takes more effort to wheel boxes up the 5 m ramp, but the distance is shorter.

It takes less effort to wheel boxes up the 3 m ramp, but the distance is shorter.

It takes less effort to wheel boxes up the 5 m ramp, but the distance is greater.

30s
• Q10

The picture shows one way a simple machine can be used. What provides the pulling force that changes the position of the nail?

the hammer's handle

the person's arm and hand

30s
• Q11

John will demonstrate how to change the position of an object by applying force. The pictures show three possible ways he could use a simple machine to do this. Which picture or pictures show how John can use a simple machine to reduce the amount of force needed to change the object's position?

bottom picture

top and middle pictures

top picture

30s
• Q12

Tina uses the bat to demonstrate how motion can be changed. How does she do this?

Tina uses the bat to pull the ball toward her.

Tina uses the ball to push the bat away from her.

Tina uses the bat to push the ball away from her.

30s
• Q13

Amy dribbles a basketball at PE. If you were there, what would you observe?

Amy is doing work by pulling the basketball, changing the position and motion of the ball.

Amy is pushing the basketball, but no work is being done on the ball in the scientific sense.

Amy is doing work by pushing the basketball, changing the position and motion of the ball.

30s
• Q14

Kel raises the flag in front of the school. He pulls on a rope to change the position and motion of the flag. How is Kel using a simple machine?

He is using a wheel and axle to change the direction of the force he applies.

He is using a pulley to change the amount of force he needs to apply.

He is using a pulley to change the direction of the force he applies

30s
• Q15

Jessica wants to put a box on a shelf that is 120 cm off the ground. She can lift the box by grabbing it and pulling up. She can also build a ramp and push the box up the ramp. The ramp lets her use less force than she would use by lifting it straight up. Yet the distance she has to move the box is four times longer. How far does she push the box?

120 cm

320 cm

480 cm

30s

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