Unit 8 Forces and Motion

QuizÂ by Dan Thornton

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27 questions
• Q1
A push or pull
force
unbalanced forces
friction
balanced forces
30s
• Q2
Forces that are equal in size and opposite in direction
unbalanced forces
forces
gravity
balanced forces
30s
• Q3
A force of attraction between two objects
forces
balanced forces
friction
gravity
30s
• Q4
Forces that cause a change in motion because one force is greater than the other
friction
forces
balanced forces
unbalanced forces
30s
• Q5
The force that opposes motion
friction
gravity
unbalanced forces
force
30s
• Q6
A pencil rolls off a desk and falls to the floor. What force made it fall to the floor?
gravity
inertia
friction
30s
• Q7
Two boys throw baseballs. One goes farther than the other. Why?
One of the baseballs had more friction.
The boys used the same force to throw the baseballs
One of the boys used more force to throw the baseball.
30s
• Q8
Two teams playing tug-o-war. The rope is hardly moving. Are the forces balanced?
No, because they are pulling very hard.
Yes, because they stopped pulling the rope.
Yes, because the rope is hardly moving.
30s
• Q9
Two students pull on a block of wood with 10 N on opposite sides. Will the block move?
Yes, because 10 N is enough to move it.
No, because the forces are balanced.
30s
• Q10
When forces are balanced, there is no movement.
True
False
30s
• Q11
When forces are unbalanced, there is movement.
False
True
30s
• Q12
In the picture, are the forces BALANCED?
Yes, because they're both pushing the cart.
No, because the cart is moving.
Yes, because they're pushing from the same side.
30s
• Q13
Shana is playing cornhole. Everytime she throws the bean bag, it goes past the hole. What should she do?
Throw the bean bag with more force.
Throw the bean bag with less force.
30s
• Q14
Two boxes, one empty and one full. A strong wind blows on both of them. The empty box blows away and the full one doesn't. Why?
Gravity is pulling down on both the boxes.
The wind's force was stronger on the empty box.
The wind's force is strong enough to move the empty box, but not the full box.
30s
• Q15
A soccer ball and a bowling ball are kicked with the same force. What will happen?
The bowling ball will go farther because it has more mass than the soccer ball
The soccer ball will go farther because it has less mass than the bowling ball
30s

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