Forces (7k) Flashcards
1
Q
a force is either a?
A
push or pull
2
Q
A tennisball is moving fastthrough the airtowards a tennis racquet. The force of the racquet on the ball can change the?
A
shape,speed, direction
3
Q
what is the downwars force on a boat?
A
weight
4
Q
what is the upwars force on a boat?
A
upthrust
5
Q
what is the forwards force on a boat?
A
force from engine
6
Q
what is the backwards force on a boat?
A
water resistance
7
Q
what is a non-contactforce?
A
A force where the objects do not need to be touching
8
Q
what are 3 non-contact forces?
A
weight,magnestism and static electricity
