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18 terms

Physics Final

STUDY
PLAY
Carlos Ruiz catches a ball in the World Series. Consider the action force to be the impact of the ball against Ruiz's glove. The reaction force is:
a) Ruiz's grip on the glove
b) Force the glove exerts on the ball
c) Friction of the ground against Ruiz's shoes
d) Muscular effort in Ruiz's arm
e) None of these
b) Force the glove exerts on the ball
If a 5N book is resting on a table, the normal force supplied by the table is:
a) 10N upward
b) 5N upward
c) 10N downward
d) 5N downward
b) 5N upward
Arnold Strongman and Suzie Small pull each other very hard on opposite ends of a rope in a tug-of-war. If the war doesn't move then the greater force on the rope is exerted by:
a) Arnold
b) Suzie
c) Both the same
c) Both the same
A Tractor- Trailer and a Volkswagen traveling at the same speed have a head-on collision. The force is greater on the:
a) Tractor-Trailer
b) Volkswagen
c) Same for both
c) Same for both
A Tractor-Trailer and a Volkswagen traveling at the same speed have a head-on collision. The vehicle that undergoes the greatest change in motion will be the:
a) Tractor-Trailer
b) Volkswagen
c) Sam for both
a) Tractor- Trailer
A 10N weight is placed on a force plate. If you pull up on the weight with a force of 2N, what will the force plate read?
a) 12N
b) 10N
c) 8N
d) Cannot be determined
c) 8N
When you are sitting on one of the lab stools the legs of the stool are experiencing a force of:
a) Tension
b) Compression
c) Shear
b) Compression
When you are carrying your backpack full of books the straps of the bag are experiencing a force of:
a) Tension
b) Compression
c) Shear
a) Tension
My mug of tea is sitting on the table. Is it in equilibrium?
a) Yes
b) No
c) Cannot be determined
a) Yes
1 vector has an angle measure of 38 degrees. Another vector has a an angle measure of 108 degrees. Which will produce a larger resultant vector?
a) A
b) B
c) Both are the same
d) Not enough information to determine
a) A
If you transported a hammer to the moon, which of the following quantities would change?
a) Mass
b) Volume
c) Weight
d) None of the above
c) Weight
As a ball falls, the action force is the pull of the Earth's mass on the ball. The reaction force is the:
a) Air resistance acting against the ball
b) Acceleration of the ball
c) Pull of the ball's mass on the Earth
d) None of these
c) Pull of the ball's mass on the Earth
Your teacher challenges you and your best friend to each pull on a pair of scales attached to the ends of a horizontal rope, in tug-of-war fashion, so that the readings on the scale will differ. Can this be done?
No- each scale will read half the amount of weight you are putting on it
Gina the gymnast a 30kg little girl likes to play on the rings. If she is exerting a force downward on the ledge next to the rings equal half her weight, what force does the scale attached to the rope read?
150N
Julia built a Jenga tower, which weighs 56N. It has a total of 28 blocks. What is the mass of each of the 28 blocks?
0.2 kg
A baseball bat makes contact with a baseball a) What is the action/reaction force on the bat and the ball
action: ball hits bat
reaction: bat hits ball
What is the force on a block that has 25N on the right and 10N on the left?
15N to the right
What is the force on a block that has 6N going up 6N going down 25N to the right and 10N to the left?
15N to the right