phy1

When the force acts in the opposite direction of motion, then the speed will increase or decrease?

An object is moving at constant speed. Which statement MUST be true? And why? A. The acceleration of the object must be zero B. The direction of the object is not changing C. The velocity of the object is constant D. All of the above E. None of the above

E

question a,b,c ty For any vector quantity, be sure to always include the magnitude and direction(teacher asked)

Need fast plz

Find the correct statement with respect to Newton's second law of motion. a. For rotating bodies, torque is directly proportional to rate of change of angular momentum. O b. For reciprocating bodies, torque is directly proportional to rate of change of angular momentum. c. For reciprocating bodies, impressed force is inversely proportional to rate of change of linear momentum. d. For rotating bodies, impressed force is directly proportional to rate of change of linear momentum.

When acceleration can be zero?

S1: Frontal drag is a force that affects your acceleration when you glide. S2: When you glide you need to take off by kicking the wall of the pool to propel the body easily.  A. Only the first statement is correct B. Only the second statement is correct C. Both statements are wrong D. Both statements are correct.

A particle is undergoing motion in the yz-plane means eliminate all terms involving j and k.. O True O False

.Q21 The forces do not cause rotation

Which of the following law states "When two moving bodies collide with each other, their velocity of separation bears a constant ratio to their velocity of approach"? Select one: O Newton's Second Law of Motion Newton's Law of Collision of Elastic bodies Newton's First Law of Motion O Law of conservation of Momentum

TRUE OR FALSE 1. Two parallel forces acting on the same plane will always be concurrent. 2.  A free body diagram includes all forces that are not directly acting on a body.