Newton's 2nd And 3rd Laws
7 Questions
| Total Attempts: 237
Remember F = ma and F1 = F2 (action = reaction)
Questions and Answers
- 1.Suppose a cart is being moved by a certain net force. If the net force is doubled, by how much does its acceleration change?
- A.
Acceleration stays the same.
- B.
Acceleration is reduced by half.
- C.
Acceleration doubles.
- D.
Acceleration is squared.
- 2.Suppose a cart is being moved by a certain net force. If a load is dumped into the cart so its mass is doubled, by how much does its acceleration change?
- A.
Acceleration stays the same.
- B.
Acceleration is reduced by half.
- C.
Acceleration doubles.
- D.
Acceleration is squared.
- 3.Which produces more pressure on the ground: a person standing up or a person lying down?
- A.
A person standing up
- B.
A person lying down
- C.
They are equal
- D.
It depends on the time of day
- 4.Which weighs more: a person standing up or a person lying down?
- A.
A person standing up
- B.
A person lying down
- C.
They are equal
- D.
It depends on the time of day
- 5.A 1.0 kilogram ball accelerates at a rate of -24 meters per second squared when it hits a 5.0 kilogram table. Calculate the acceleration of the table. (Write your answer with the unit m/ss.)
- 6.In example # 5, what force does the ball exert upon the table?
- 7.In example #5, what force does the table exert upon the ball?
2ND LAW physics.
Questions: 10 | Attempts: 5408 | Last updated: Mar 22, 2022
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Newton's 2nd + 3rd Laws
Questions: 16 | Attempts: 198 | Last updated: Mar 22, 2022
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