Balanced and Unbalanced?
Net Force
Newton's Laws
Force, Mass, Acceleration
Newton's Laws PT2
100
If Danny pushes on a door with 100N of force and Kyran pushes in the opposite direction with 101N of force.
Are these forces balanced or unbalanced?
What is balanced?
100
Ms. Elegante pushes a box with 5N of force. Ms. Garvey pushes the box in the SAME direction with 10N of force.
What is the Net Force on the box?
What is 15N to the right?
100
The tendency of an object to resist a change in motion.
What is inertia?
100
Calculate the mass of an object that is being accelerated 12 m/s2 with a force of 654 N. Round your answer to the nearest tenth.
What is 54.5 kg or 54.5 g?
100
If a person pushes a wall with a force of 50 N, the wall pushes back with a force of ?
What is 50 N?
200
A swing moves back and forth.
What is unbalanced forces?
200
If Ms. Portis pulls on her desk with 10N of force and Mrs. White pulls in the opposite direction with 10N of force, what is the net force on the table?
What is 0N?
200
Force = Mass x Acceleration
What is Newton's 2nd Law/The Law of Force and Acceleration?
200
A soccer ball has a mass of 7 kg. The soccer ball began to travel at a rate of 8 ㎨ after Samuel kicked it. What is the net force that was applied to the soccer ball?
What is 56 N?
200
If you push a shopping cart, the acceleration of the cart depends on how hard you push it. A fully loaded cart (greater mass) will accelerate less than an empty one for the same amount of force applied.
What is Newton's 2nd Law?
300
A car moving at a constant speed.
What is balanced forces?
300
To find the net force of two objects moving at the same direction you would ________ their forces?
A - Subtract
B - Add
C - Multiply
D - Divide
What is add?
300
Every action has an equal and opposite reaction.
What is Newton's 3rd Law/The Law of Action and Reaction?
300
What is the force of a 550 kg motorcycle that accelerates at a rate of 55 ㎨?
What 30,250 N?
300
An object of mass 300 kg is observed to accelerate at the rate of 4 m/s2. Calculate the force required to produce this acceleration.
What is 1200N?
400
You sitting in a chair.
What is balanced forces?
400
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What is 10N to the left?
400
An object at rest will stay at rest, an object in motion will stay in motion unless acted upon by an unbalanced force.
What is Newton's 1st Law/The Law of Inertia?
400
An object accelerates 16.3 m/s2 when a force of 4.6 newtons is applied to it. What is the mass of the object to the nearest hundredth?
What is .28 kg or .28 g?
400
When you walk, your foot pushes backward against the ground, and in response, the ground pushes you forward.
What is Newton's 3rd Law?
500
A boy pushes a cart with 40 N of force to the east. His friend pulls to the west with 60 N of force. What is the net force? Is it balanced or unbalanced?
What is 20N west and balanced?
500
If Ms. Garvey pulls on a rope with 50 N of force and Ms. Stolaruk joins her and pulls on the rope in the same direction with 50N of force, what is the net force on the rope?
What is 100N to the left?
500
True or False: Newton's first law only applies to objects moving at constant speed.
What is false?
500
A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/sec2; a second ball rolled with the same force accelerates 4 m/sec2. What are the masses of the two balls?
What is 5 kg/g and 3.75 kg/g?
500
A 5 kg block is pulled across a table by a horizontal force of 40 N with a frictional force of 8 N opposing the motion. Calculate the acceleration of the object.
What is 6.4 m/s2?