Multiple Choice
Positive work can be done:
A) by friction on the tyres when a car is accelerating without skidding.
B) by a spring when it launches a clown in the air.
C) by a hand throwing a ball.
D) by all of the above.
E) only by (b) and (c) above.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q13: A 2.5-kg object falls vertically downward in
Q16: Carts A and B have equal
Q17: The same constant force is used
Q18: Two cannonballs are dropped from a
Q19: A body moving along the x axis
Q22: The only force acting on a 1.8-kg
Q23: A 2.0-kg block slides down a frictionless
Q25: A 2.0-kg block situated on a frictionless
Q26: If the resultant force acting on
Q60: A champion athlete can produce one horsepower