11/16 - Review: Forces (Due Friday)
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Last updated over 3 years ago
23 questions
1
A force is a _______ or a _______.
1
The sum of all the forces acting on an object is known as the _______ force.
1
1. If the forces acting on an object at rest are _______, the object will remain at rest.
1
When traveling at the same speed, a bowling ball is harder to stop than a soccer ball because the bowling ball has greater _______
1
_______ is the tendency of an object to resist any change in its motion.
1
Newton's first law of motion states that an object stays in constant motion unless an _______ force acts on it.
1
Friction always acts in a direction that is _______ to the direction of motion
1
According to Newton's second law of motion, a larger net force acting on an object will cause a greater _______ of that object
1
If you triple the net force on an object, the acceleration will_______
1
A rocket launching is an example of Newton's _______ law
1
Acceleration toward the center of a curved path is called _______ acceleration
1
The acceleration of an object depends on two things: the size of the _______ acting on it as well as the _______ of the object.
1
According to Newton’s second law, F = _______
1
If the net force on a moving object is _______, it will continue to move in a straight line with a constant speed.
1
You push on a crate with a force of 10 N to the right, and your friend pushes on the crate with a force of 25 N to the left. Describe and explain the motion of the crate.
You push on a crate with a force of 10 N to the right, and your friend pushes on the crate with a force of 25 N to the left. Describe and explain the motion of the crate.
1
You push a heavy box. At first it doesn't move. You push harder, and it finally starts to move, but you still have to exert a constant force to keep it moving across the room. Explain why.
You push a heavy box. At first it doesn't move. You push harder, and it finally starts to move, but you still have to exert a constant force to keep it moving across the room. Explain why.
1
Can an object still be in motion if the net force acting on it is zero? Explain.
Can an object still be in motion if the net force acting on it is zero? Explain.
1
An object at rest will remain at rest and an object in motion will stay in motion unless acted upon by an unbalanced force.
An object at rest will remain at rest and an object in motion will stay in motion unless acted upon by an unbalanced force.
1
An object’s acceleration depends on its mass and the net force acting on it. (F = ma)
An object’s acceleration depends on its mass and the net force acting on it. (F = ma)
1
When one object applies a force on a second object, the second object applies a force on the first object that is equal and opposite.
When one object applies a force on a second object, the second object applies a force on the first object that is equal and opposite.
1
Using one or more of Newton’s laws, explain why you fall forward when you trip on a crack.
Using one or more of Newton’s laws, explain why you fall forward when you trip on a crack.
1
Using Newton’s third law of motion, explain how you are able to walk forward.
Using Newton’s third law of motion, explain how you are able to walk forward.
1
Using one or more of Newton’s laws, explain why it is necessary to wear a seat belt to hold you in place if your car that stops suddenly?
Using one or more of Newton’s laws, explain why it is necessary to wear a seat belt to hold you in place if your car that stops suddenly?