Newton's Laws
The equal and opposite forces in Newton's 3rd law are called...
Action and Reaction
What is the formula to find force?
What units is Force in?
F = m x a
N (newtons)
When using momentum in a formula should an uppercase or lowercase "m" be used?
Uppercase
Define inertia
The tendency of an object to resist a change in its motion
The mass of 10 chromebooks is 58 kg. What is the weight of 10 chromebooks on Earth?
w = 58 x 9.8
w = 568.4
What law states, if no force acts on a system then the total momentum does not change?
What is the formula for weight?
What are the units used for weight?
W = m x g
kg (kilograms)
What is the momentum of a pair of shoes sitting in your closet?
0 kg x m/s
What is one example of action and reaction forces?
Ex. When a bat hits a baseball
Many answers
How much force is needed to accelerate a 66 kg skier at 2 m/s2 ?
F = 132 N
What formula is connected with Newton's 2nd Law?
F = m x a
What is the formula used for velocity?
M / m = v
What two factors affect the momentum of a moving object?
The two forces acting on a falling object are?
Gravity and Air resistance
A force of 20 N acts upon a 5 kg block. What is the acceleration of the object?
What law states, an object either in motion or rest will not change unless acted on by an outside force?
Newton's 1st Law
What formula should be used for this problem?
A pool ball is hit and accelerates at 3.8 m/s2. The mass of the pool ball is 4 kg. What is the momentum of the pool ball?
M = m x v
What is the formula for momentum?
M = m x v
Does your weight or mass change depending on which planet your on?
Weight
The mass of a baby on is 3.5 kilograms. What is the baby's weight?
w = 34.3 N
What is Newton's (the scientist) first name?
Isaac
What formula should be used for this problem?
If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be the person's acceleration?
Can other objects and forces leave or enter a closed system?
No
What is the gravity on Earth?
9.8 m/s2
Bowling