1. The wind pushing on a sail is a ___________ force because the air molecules have to touch the sail molecules to create the force. and transfer momentum.
2. A __________ is the result of an acceleration applied to a mass.
3. Momentum is different than inertia because inertia doesn't change with motion but momentum depends on both mass and __________ l
4. A bowling ball transferred part of its __________ to the bowling pins as it knocked them down.
5. The SpaceX Falcon 9 has a thrust (a type of force) of 7,607 kilo__________. This is almost 2 million pounds.
6. A circus strongman pushes on a wall and the wall pushes back on him with an equal but opposite _______________ .
7. The four fundamental forces of the universe are the gravitational force, the ________________, the strong nuclear force, and the weak nuclear force.
8. The SpaceX Falcon 9 rocket takes off slowly at first because it has to overcome its ____________.
9. The nucleus of an atom is held in a tiny space amounting to only 0.01% of the size of the atom by the strong and weak ___________________.
10. A magnetic force is a ___________________ force because the magnet pulls on iron from a distance.
A. Momentum
B. Inertia
C. Newton
D. Force
E. Electromagnetic Force
F. Nuclear Forces
G. Noncontact
H. Contact
I. Reaction Forcs
J. Velocity