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SI UNITSVOCABULARYFIND THAT FORCENEWTIONS LAWSBLAST FROM THE PAST10 Point20 Points30 Points40 Points50 Points10 Point10 Point20 Point10 Point10 Point20 Points20 Points40 Points20 Points20 Points30 Points40 Points50 Points30 Points60 Points30 Points30 Points40 Points80 Points40 Points40 Points50 Points100 Points50 Points50 PointsELUSIVE EQUATIONS

Distance

A diver initially moving horizontally with speed v dives off the edge of a vertical cliff and lands in the water a distance d from the base of the cliff. How far from the base of the cliff would the diver have landed if the diver initially had been moving horizontally with speed 2v? d (B) (2d)1/2 (C) 2d (D) 4d (E) cant be determined without knowing the height of the cliff

An object is released from rest on a planet that has no atmosphere. The object falls freely for 3.0 meters in the first second. What is the magnitude of the acceleration due to gravity on the planet? (A) 1.5 m/s2 (B) 3.0 m/s2 (C) 6.0 m/s2 (D) 10.0 m/s2(E) 12.0 m/s2

A coyote can run at a speed of 20 m/s while a prairie dog can manage only 5.5 m/s. If a prairie dog is 45 m in front of a coyote, what is the maximum time it has to reach its hole without being caught? (A) 2.3 s (B) 3.1 s (C) 5.4 s (D) 5.9 s (E) 8.2 s

A child tosses a ball directly upward. Its total time in the air is T. Its maximum height is H. What is its height after it has been in the air a time T/4? Neglect air resistance. (A) H/4 (B) H/3 (C) H/2 (D) 2H/3 (E) 3H/4

A push or pull that causes something to accelerate

The amount of matter in an object

The tendency of an object to maintain its current state of motion

This is the type of force that acts on an object when it is in contact with something else. (like a table pushing up on a block)

This is affected by the type of surface two objects are rubbing against when neither object is moving.

I know: m and aI am looking for: F

I know: a and FI am looking for: m

I know: a and tI am looking for: v

I know: v and dI am looking for: t

I know: fs and FNI am looking for: s

What is the weight of a 10kg object

A 50kg person is sitting on a 10kg chair. What is the Normal Force that the floor exerts on the chair.

What is the force required to start moving a 5kg block along a table with a coefficient of friction of .4 between the block and the table

What is the Normal Force that the ground is pushing up on a 20kg block if I lift up on the block with a force of 80N

What is the net force acting on an 10kg block if I am pushing on it with a force of 130 N and the coefficient of kinetic friction between the block and the table is .25

This is why a gun recoils back after firing a bullet

This is why an air hockey puck slides across the table with a constant velocity

This explains why stationary objects dont suddenly fly around the room

This is why the Earth has a large acceleration but the Sun has a small acceleration

This explains why when two different objects fall and land on your foot, the more massive objects hurts more.

A 70kg person jumps a the edge of a cliff and into a lake. How much force is acting on him as he falls towards the water?

A student pushes on a crate with a force of 100 N directed to the right. What force does the crate exert on the student?

If a 60 kg person on a 15 kg sled is pushed with a force of 300 N, what will be persons acceleration?

A 500kg car is driving at a speed of 20m/s at collides with a brick wall that slows him down to rest in .05 s. What is the average force that is acting on the car?

An object of mass 30 kg is falling in air and experiences a force due to air resistance of 50 Newtons. calculate the acceleration of the object.

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