Joshua High School, Texas

SCIENCE 302

1) A very large truck sits on a frozen lake. Assume there is no fricton between the tres and the ice. A fly suddenly
smashes against the front window. What will happen to the truck? (1 pt)
a. it is too heavy, so it just sits there
b. it accelerates backward, then it moves backward at constant speed
c. it accelerates forward, then it moves forward at constant speed
2) Afer kicking the wall, your foot is hurtng. This is an example of (1 pt)
a. Newton’s First Law
b. Newton’s Second Law
c. Newton’s Third Law.
3) Compared to its mass on Earth, the mass of a 10 kg object on the moon is (1 pt)
a. greater.
b. the same.
c. less.
4) If the acceleraton of an object triples, but the force remains the same, how has mass changed? (1 pt)
a. tripled
b. half
c. 1/3
d. Mass doesn’t change
5) A bug hits a moving car. Will the bug on the car experience a greater force? (1 pt)
a. The bug
b. The car
c. Neither experience any force because equal and opposite forces cancel out
d. Both experience the same forc