NEWTON'S LAWS

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Bob is a 200 kg skier at the top of a mountain. He starts to move down the mountain with a constant acceleration of 3.0 meters per second squared. To keep at this rate, what force would be needed?
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Terms in this set (15)
Bob is a 200 kg skier at the top of a mountain. He starts to move down the mountain with a constant acceleration of 3.0 meters per second squared. To keep at this rate, what force would be needed?
600 N
Joe is pushing against a wall with a 30 N force. The wall doesn't move. What force is the wall exerting on Joe?
30 N
Amalia and Olivia are both exerting a force on the same box, but it doesn't move. What can you infer about the forces being applied?
They are balanced forces.
What is friction?
The resistance that one surface or object encounters when moving over another.
Image: What is friction?
When a scooter is parked in the driveway, what type of force is being produced?
Balanced Force
Danny is helping out Mrs. Dragone. He pushes a table with 40 N of force at a constant acceleration of 2.0 meters per second squared. What is the mass of the table?
20 kilograms
The greater the mass of an object, the _____________the force needed to move it.
greater
The less mass an object has, the ____________ the acceleration will be when a force acts upon it.
greater
If Ori stands on a desk and applies 400 N of force, how much force does the desk need to apply in order not to fall down?
400 N
Ken pushes a box to the right with a force of 60 N while Barbie pushes the same box to the left with a force of 15 N. What is the net force and direction of the force?
45 N to the right
How would you find the MASS of a rock if it produces a force of 200 N while accelerating at 3.2 meters per second?F=ma 200 = (m)3.2 Divide both sides by 3.2 and the mass equals 62.5 kgWhat axis is the dependent variable found on?Y-axisWhat axis is the independent variable found on?X-axisA person protected by the seatbelt of a car is an example of Newton's ________ LawFirstThe formula to find speed (or rate)Speed + distance /time