Motion & Forces - Chapter 2

17 Questions | By Lsmall2 | Updated: Mar 21, 2022 | Attempts: 261

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1.

A push or a pull is called
- A.
  
  Motion
- B.
  
  Force
- C.
  
  Acceleration
- D.
  
  Velocity
2.

James combines all the forces acting on a tennis ball. He is finding.....
- A.
  
  Net force
- B.
  
  Inertia force
- C.
  
  Gravitational force
- D.
  
  Frictional force
3.

Janet is sliding a box across the floor. What does she need to know to calculate the force on the box?(F=ma)
- A.
  
  Mass and inertia
- B.
  
  Acceleration and friction
- C.
  
  Mass and acceleration
- D.
  
  Friction and gravity
4.

Inertia is the resistance of an object to a change in its
- A.
  
  Gravity
- B.
  
  Motion
- C.
  
  Mass
- D.
  
  Balanced force
5.

A soccer player kicks a ball that is at rest. What do you predict will happen?
- A.
  
  The ball will not move
- B.
  
  The ball will lose momentum
- C.
  
  The ball will accelerate in the direction opposite the applied force
- D.
  
  The ball will accelerate in the same direction as the applied force
6.

According to Newton's second law of motion, force equals mass times ......
- A.
  
  Velocity
- B.
  
  Momentum
- C.
  
  Acceleration
- D.
  
  Mass
7.

When you push on a door, the door pushes back with an equal and opposite force. These two forces are known as
- A.
  
  Mass and velocity force pairs
- B.
  
  Unbalanced force pairs
- C.
  
  Mass and acceleration force pairs
- D.
  
  Action/reaction force pairs
8.

The momentum of an object is the product of its(p=mv)
- A.
  
  Mass and acceleration
- B.
  
  Mass and velocity
- C.
  
  Force and mass
- D.
  
  Net force and mass
9.

A bowling ball rolls down the lane and hits some pins before rolling off the lane. What happens to the momentum of the ball as it hits the pins?
- A.
  
  Some of the ball's momentum is transferred to the pins
- B.
  
  All of the ball's momentum is transferred to the pins
- C.
  
  None of the ball's momentum is transferred to the pins
- D.
  
  The pins stop the ball from rolling farther
10.

Conservation of momentum occurs only when there are........
- A.
  
  No outside forces
- B.
  
  Balanced and unbalanced force pairs
- C.
  
  Gravity and friction
- D.
  
  Mass and inertia
11.

What is the unit of force?
- A.
  
  Inch
- B.
  
  Kilometer
- C.
  
  Newton
- D.
  
  Kilogram
12.

What symbol is used for force?
- A.
  
  N
- B.
  
  Kg
- C.
  
  F
- D.
  
  Cm
13.

What is one of the forces involved in pushing the cart?
- A.
  
  Gravitational force pushing up
- B.
  
  Contact force in pushing
- C.
  
  Inertia force
- D.
  
  Energy force
14.

What force is being applied to the cart of it is accelerating at 2.2 m/s2 and the cart's mass is 55 kg? The formula for calculating force is F=ma
- A.
  
  100N
- B.
  
  25N
- C.
  
  1000N
- D.
  
  121N
15.

If you double the force on the cart, what happens to the acceleration?
- A.
  
  It doubles as well
- B.
  
  It gets twice as small
- C.
  
  It triples
- D.
  
  It get ten times bigger
16.

What do the data show about momentum as the mass becomes larger? CarabcdefgMass of car (kg)1350140014501500155016001650Momentum (kg m/s)2970308031903300341035203630
- A.
  
  Momentum decreases as mass becomes smaller
- B.
  
  Momentum increases as mass becomes smaller
- C.
  
  Momentum decreases as mass becomes larger
- D.
  
  Momentum increases as mass becomes larger
17.

Use the data in the table to determine the velocity of car A. The formula for calculating velocity is V=P/m (velocity = momentum/mass) carabcdefgmass of car (kg)1350140014501500155016001650momentum (kg m/s)2970308031903300341035203630
- A.
  
  .45 m/s
- B.
  
  2.2 m/s
- C.
  
  50 m/s
- D.
  
  1620 m/s