Newton's 1st Law
What is the factor that determines the inertia of an object that Promise needs to know?
Mass
The speed of an object changes only when it is acted on by an unbalanced force
True
For every action there is an equal and opposite reaction refers to ____
Newton's 3rd Law
A 15kg block is accelerating at 4m/s squared. What force is applied?
60N
Tyra pushes a box with 17 Newtons of force to the left and Kai is pushing with 12 Newtons of force to the right. Which way will the box move?
To the left.
tendency of a rock to resist a change in motion
inertia
What units does Fletcher need to put for mass in force calculation questions?
kilograms, kg
Overcoming an object's inertia always requires what type of force?
Unbalanced force
30 Newtons of force is applied to a 15kg block. What is it's acceleration?
2 m/s squared
Tyra pushes a box with 17 Newtons of force to the left and Kai is pushing with 12 Newtons of force to the right. What is the net force on the box?
5 Newtons left.
What is the law of inertia
an objects motion will not change unless an unbalanced force acts on it
What is the equation Dillan needs to put for Newton's Second Law?
Force = Mass X Acceleration
F = MA
Is a Newton a type of force?
no, it is a type of measurement
40 Newtons of force pushes a box at 5m/s squared. What is it's mass?
8kg
Alex and Kylie push a box to the left with 20 Newtons of force each. What is the net force on the box?
40 Newtons
True or false. Newton's first law of motion only applies to objects that are already moving.
False
What are the units for acceleration that Justice needs to know?
meters per seconds squared
m/s2
If an equal force acts the following objects which will have the greatest acceleration?
a golf ball or a bowling ball
a golf ball
50 Newtons of force is applied to a 200kg box. What is its acceleration?
0.25 m/s squared
Mirza pushes a 50kg box to the left with 30 Newtons of force while Henry pushes the same box with 80 Newtons of force to the right. What will be the box's acceleration?
1 m/s squared to the right.
True or False-
It is harder for a heavy truck moving at a high rate of speed to stop than it would be for light car to stop.
True
What is the force (with units!) of a block with a mass of 50 kg with an acceleration of 2 m/s^2 ?
100 N
If Aliza pushes a box with a force of 50 N to the right, and Reef pushes the box with a force of 70 N to the left, which direction is the box going to go?
To the left
A 10 kg box is pushed with 1000 Newtons of force. What is its mass?
10kg
Jesse pushes a 10kg box to the left with 50 Newtons of force while Mya pushes it to the right. The box accelerates at 2m/s squared towards Jesse. What is the amount of force applied by Mya?
70 Newtons to the right.