2- Mrs. Sabel is pushing a wheelbarrow in her garden. If she continues to push with the same force, which of the following will cause the wheelbarrow to accelerate more slowly? A) Moving the wheelbarrow onto a paved sidewalk B) Adding a pil
B) Adding a pile of dirt to the wheelbarrow
Oops!
Check
Okay!
Check
15
Newton's Second law is called the law of Inertia. True or false
false
Oops!
Check
Okay!
Check
15
7- How do you know the dogs are pulling with the same amount of force? A) The dogs are the same size. B) They are not moving in either direction C) The pull of gravity is too strong.
B) They are not moving in either direction
Oops!
Check
Okay!
Check
15
Newton's second law states that force= mass x acceleration. True or false
True
Oops!
Check
Okay!
Check
15
If two boys are running one is thin and small and the other is tall and big, and you try to stop them, which will need more force to be exerted? a) The small thin boy b) The big tall boy
The big tall boy
Oops!
Check
Okay!
Check
baam
Lose 25 points!
Oops!
gift
Win 25 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
15
20
25
15
- If you hit a tennis ball with a racket, then you hit again with greater force, what will happen? a) There will be no difference b) Greater force makes ball go faster.